diff options
31 files changed, 536 insertions, 292 deletions
diff --git a/Documentation/DocBook/gpu.tmpl b/Documentation/DocBook/gpu.tmpl index fe6b36a2fd98..1692c4dd5487 100644 --- a/Documentation/DocBook/gpu.tmpl +++ b/Documentation/DocBook/gpu.tmpl @@ -1816,7 +1816,7 @@ void intel_crt_init(struct drm_device *dev) <td valign="top" >Description/Restrictions</td> </tr> <tr> - <td rowspan="37" valign="top" >DRM</td> + <td rowspan="42" valign="top" >DRM</td> <td valign="top" >Generic</td> <td valign="top" >“rotation”</td> <td valign="top" >BITMASK</td> @@ -2068,7 +2068,7 @@ void intel_crt_init(struct drm_device *dev) <td valign="top" >property to suggest an Y offset for a connector</td> </tr> <tr> - <td rowspan="3" valign="top" >Optional</td> + <td rowspan="8" valign="top" >Optional</td> <td valign="top" >“scaling mode”</td> <td valign="top" >ENUM</td> <td valign="top" >{ "None", "Full", "Center", "Full aspect" }</td> @@ -2092,6 +2092,61 @@ void intel_crt_init(struct drm_device *dev) <td valign="top" >TBD</td> </tr> <tr> + <td valign="top" >“DEGAMMA_LUT”</td> + <td valign="top" >BLOB</td> + <td valign="top" >0</td> + <td valign="top" >CRTC</td> + <td valign="top" >DRM property to set the degamma lookup table + (LUT) mapping pixel data from the framebuffer before it is + given to the transformation matrix. The data is an interpreted + as an array of struct drm_color_lut elements. Hardware might + choose not to use the full precision of the LUT elements nor + use all the elements of the LUT (for example the hardware + might choose to interpolate between LUT[0] and LUT[4]). </td> + </tr> + <tr> + <td valign="top" >“DEGAMMA_LUT_SIZE”</td> + <td valign="top" >RANGE | IMMUTABLE</td> + <td valign="top" >Min=0, Max=UINT_MAX</td> + <td valign="top" >CRTC</td> + <td valign="top" >DRM property to gives the size of the lookup + table to be set on the DEGAMMA_LUT property (the size depends + on the underlying hardware).</td> + </tr> + <tr> + <td valign="top" >“CTM”</td> + <td valign="top" >BLOB</td> + <td valign="top" >0</td> + <td valign="top" >CRTC</td> + <td valign="top" >DRM property to set the current + transformation matrix (CTM) apply to pixel data after the + lookup through the degamma LUT and before the lookup through + the gamma LUT. The data is an interpreted as a struct + drm_color_ctm.</td> + </tr> + <tr> + <td valign="top" >“GAMMA_LUT”</td> + <td valign="top" >BLOB</td> + <td valign="top" >0</td> + <td valign="top" >CRTC</td> + <td valign="top" >DRM property to set the gamma lookup table + (LUT) mapping pixel data after to the transformation matrix to + data sent to the connector. The data is an interpreted as an + array of struct drm_color_lut elements. Hardware might choose + not to use the full precision of the LUT elements nor use all + the elements of the LUT (for example the hardware might choose + to interpolate between LUT[0] and LUT[4]).</td> + </tr> + <tr> + <td valign="top" >“GAMMA_LUT_SIZE”</td> + <td valign="top" >RANGE | IMMUTABLE</td> + <td valign="top" >Min=0, Max=UINT_MAX</td> + <td valign="top" >CRTC</td> + <td valign="top" >DRM property to gives the size of the lookup + table to be set on the GAMMA_LUT property (the size depends on + the underlying hardware).</td> + </tr> + <tr> <td rowspan="20" valign="top" >i915</td> <td rowspan="2" valign="top" >Generic</td> <td valign="top" >"Broadcast RGB"</td> diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c index f221e2dc1b0d..a965e7e8ad6e 100644 --- a/drivers/gpu/drm/ast/ast_mode.c +++ b/drivers/gpu/drm/ast/ast_mode.c @@ -497,13 +497,6 @@ static void ast_crtc_dpms(struct drm_crtc *crtc, int mode) } } -static bool ast_crtc_mode_fixup(struct drm_crtc *crtc, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - return true; -} - /* ast is different - we will force move buffers out of VRAM */ static int ast_crtc_do_set_base(struct drm_crtc *crtc, struct drm_framebuffer *fb, @@ -617,7 +610,6 @@ static void ast_crtc_commit(struct drm_crtc *crtc) static const struct drm_crtc_helper_funcs ast_crtc_helper_funcs = { .dpms = ast_crtc_dpms, - .mode_fixup = ast_crtc_mode_fixup, .mode_set = ast_crtc_mode_set, .mode_set_base = ast_crtc_mode_set_base, .disable = ast_crtc_disable, diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c index 9863291a9a54..58c4f785cf84 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c @@ -121,13 +121,6 @@ static void atmel_hlcdc_crtc_mode_set_nofb(struct drm_crtc *c) cfg); } -static bool atmel_hlcdc_crtc_mode_fixup(struct drm_crtc *crtc, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - return true; -} - static void atmel_hlcdc_crtc_disable(struct drm_crtc *c) { struct drm_device *dev = c->dev; @@ -261,7 +254,6 @@ static void atmel_hlcdc_crtc_atomic_flush(struct drm_crtc *crtc, } static const struct drm_crtc_helper_funcs lcdc_crtc_helper_funcs = { - .mode_fixup = atmel_hlcdc_crtc_mode_fixup, .mode_set = drm_helper_crtc_mode_set, .mode_set_nofb = atmel_hlcdc_crtc_mode_set_nofb, .mode_set_base = drm_helper_crtc_mode_set_base, @@ -349,4 +341,3 @@ fail: atmel_hlcdc_crtc_destroy(&crtc->base); return ret; } - diff --git a/drivers/gpu/drm/bochs/bochs_kms.c b/drivers/gpu/drm/bochs/bochs_kms.c index 317c27f2a50b..96926f09e0c9 100644 --- a/drivers/gpu/drm/bochs/bochs_kms.c +++ b/drivers/gpu/drm/bochs/bochs_kms.c @@ -30,13 +30,6 @@ static void bochs_crtc_dpms(struct drm_crtc *crtc, int mode) } } -static bool bochs_crtc_mode_fixup(struct drm_crtc *crtc, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - return true; -} - static int bochs_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, struct drm_framebuffer *old_fb) { @@ -135,7 +128,6 @@ static const struct drm_crtc_funcs bochs_crtc_funcs = { static const struct drm_crtc_helper_funcs bochs_helper_funcs = { .dpms = bochs_crtc_dpms, - .mode_fixup = bochs_crtc_mode_fixup, .mode_set = bochs_crtc_mode_set, .mode_set_base = bochs_crtc_mode_set_base, .prepare = bochs_crtc_prepare, diff --git a/drivers/gpu/drm/cirrus/cirrus_mode.c b/drivers/gpu/drm/cirrus/cirrus_mode.c index 432ce9440e09..d3d8d7bfcc57 100644 --- a/drivers/gpu/drm/cirrus/cirrus_mode.c +++ b/drivers/gpu/drm/cirrus/cirrus_mode.c @@ -91,18 +91,6 @@ static void cirrus_crtc_dpms(struct drm_crtc *crtc, int mode) WREG_GFX(0xe, gr0e); } -/* - * The core passes the desired mode to the CRTC code to see whether any - * CRTC-specific modifications need to be made to it. We're in a position - * to just pass that straight through, so this does nothing - */ -static bool cirrus_crtc_mode_fixup(struct drm_crtc *crtc, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - return true; -} - static void cirrus_set_start_address(struct drm_crtc *crtc, unsigned offset) { struct cirrus_device *cdev = crtc->dev->dev_private; @@ -372,7 +360,6 @@ static const struct drm_crtc_funcs cirrus_crtc_funcs = { static const struct drm_crtc_helper_funcs cirrus_helper_funcs = { .dpms = cirrus_crtc_dpms, - .mode_fixup = cirrus_crtc_mode_fixup, .mode_set = cirrus_crtc_mode_set, .mode_set_base = cirrus_crtc_mode_set_base, .prepare = cirrus_crtc_prepare, diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index 092620c6ff32..a2596eb803fc 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -28,6 +28,7 @@ #include <drm/drmP.h> #include <drm/drm_atomic.h> +#include <drm/drm_mode.h> #include <drm/drm_plane_helper.h> /** @@ -376,6 +377,59 @@ int drm_atomic_set_mode_prop_for_crtc(struct drm_crtc_state *state, EXPORT_SYMBOL(drm_atomic_set_mode_prop_for_crtc); /** + * drm_atomic_replace_property_blob - replace a blob property + * @blob: a pointer to the member blob to be replaced + * @new_blob: the new blob to replace with + * @expected_size: the expected size of the new blob + * @replaced: whether the blob has been replaced + * + * RETURNS: + * Zero on success, error code on failure + */ +static void +drm_atomic_replace_property_blob(struct drm_property_blob **blob, + struct drm_property_blob *new_blob, + bool *replaced) +{ + struct drm_property_blob *old_blob = *blob; + + if (old_blob == new_blob) + return; + + if (old_blob) + drm_property_unreference_blob(old_blob); + if (new_blob) + drm_property_reference_blob(new_blob); + *blob = new_blob; + *replaced = true; + + return; +} + +static int +drm_atomic_replace_property_blob_from_id(struct drm_crtc *crtc, + struct drm_property_blob **blob, + uint64_t blob_id, + ssize_t expected_size, + bool *replaced) +{ + struct drm_device *dev = crtc->dev; + struct drm_property_blob *new_blob = NULL; + + if (blob_id != 0) { + new_blob = drm_property_lookup_blob(dev, blob_id); + if (new_blob == NULL) + return -EINVAL; + if (expected_size > 0 && expected_size != new_blob->length) + return -EINVAL; + } + + drm_atomic_replace_property_blob(blob, new_blob, replaced); + + return 0; +} + +/** * drm_atomic_crtc_set_property - set property on CRTC * @crtc: the drm CRTC to set a property on * @state: the state object to update with the new property value @@ -397,6 +451,7 @@ int drm_atomic_crtc_set_property(struct drm_crtc *crtc, { struct drm_device *dev = crtc->dev; struct drm_mode_config *config = &dev->mode_config; + bool replaced = false; int ret; if (property == config->prop_active) @@ -407,8 +462,31 @@ int drm_atomic_crtc_set_property(struct drm_crtc *crtc, ret = drm_atomic_set_mode_prop_for_crtc(state, mode); drm_property_unreference_blob(mode); return ret; - } - else if (crtc->funcs->atomic_set_property) + } else if (property == config->degamma_lut_property) { + ret = drm_atomic_replace_property_blob_from_id(crtc, + &state->degamma_lut, + val, + -1, + &replaced); + state->color_mgmt_changed = replaced; + return ret; + } else if (property == config->ctm_property) { + ret = drm_atomic_replace_property_blob_from_id(crtc, + &state->ctm, + val, + sizeof(struct drm_color_ctm), + &replaced); + state->color_mgmt_changed = replaced; + return ret; + } else if (property == config->gamma_lut_property) { + ret = drm_atomic_replace_property_blob_from_id(crtc, + &state->gamma_lut, + val, + -1, + &replaced); + state->color_mgmt_changed = replaced; + return ret; + } else if (crtc->funcs->atomic_set_property) return crtc->funcs->atomic_set_property(crtc, state, property, val); else return -EINVAL; @@ -444,6 +522,12 @@ drm_atomic_crtc_get_property(struct drm_crtc *crtc, *val = state->active; else if (property == config->prop_mode_id) *val = (state->mode_blob) ? state->mode_blob->base.id : 0; + else if (property == config->degamma_lut_property) + *val = (state->degamma_lut) ? state->degamma_lut->base.id : 0; + else if (property == config->ctm_property) + *val = (state->ctm) ? state->ctm->base.id : 0; + else if (property == config->gamma_lut_property) + *val = (state->gamma_lut) ? state->gamma_lut->base.id : 0; else if (crtc->funcs->atomic_get_property) return crtc->funcs->atomic_get_property(crtc, state, property, val); else diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 4da4f2a49078..2bb90faa0ee2 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -86,43 +86,104 @@ drm_atomic_helper_plane_changed(struct drm_atomic_state *state, } } -static bool -check_pending_encoder_assignment(struct drm_atomic_state *state, - struct drm_encoder *new_encoder) +static int handle_conflicting_encoders(struct drm_atomic_state *state, + bool disable_conflicting_encoders) { - struct drm_connector *connector; struct drm_connector_state *conn_state; - int i; + struct drm_connector *connector; + struct drm_encoder *encoder; + unsigned encoder_mask = 0; + int i, ret; + /* + * First loop, find all newly assigned encoders from the connectors + * part of the state. If the same encoder is assigned to multiple + * connectors bail out. + */ for_each_connector_in_state(state, connector, conn_state, i) { - if (conn_state->best_encoder != new_encoder) + const struct drm_connector_helper_funcs *funcs = connector->helper_private; + struct drm_encoder *new_encoder; + + if (!conn_state->crtc) continue; - /* encoder already assigned and we're trying to re-steal it! */ - if (connector->state->best_encoder != conn_state->best_encoder) - return false; + if (funcs->atomic_best_encoder) + new_encoder = funcs->atomic_best_encoder(connector, conn_state); + else + new_encoder = funcs->best_encoder(connector); + + if (new_encoder) { + if (encoder_mask & (1 << drm_encoder_index(new_encoder))) { + DRM_DEBUG_ATOMIC("[ENCODER:%d:%s] on [CONNECTOR:%d:%s] already assigned\n", + new_encoder->base.id, new_encoder->name, + connector->base.id, connector->name); + + return -EINVAL; + } + + encoder_mask |= 1 << drm_encoder_index(new_encoder); + } } - return true; -} + if (!encoder_mask) + return 0; -static struct drm_crtc * -get_current_crtc_for_encoder(struct drm_device *dev, - struct drm_encoder *encoder) -{ - struct drm_mode_config *config = &dev->mode_config; - struct drm_connector *connector; + /* + * Second loop, iterate over all connectors not part of the state. + * + * If a conflicting encoder is found and disable_conflicting_encoders + * is not set, an error is returned. Userspace can provide a solution + * through the atomic ioctl. + * + * If the flag is set conflicting connectors are removed from the crtc + * and the crtc is disabled if no encoder is left. This preserves + * compatibility with the legacy set_config behavior. + */ + drm_for_each_connector(connector, state->dev) { + struct drm_crtc_state *crtc_state; - WARN_ON(!drm_modeset_is_locked(&config->connection_mutex)); + if (drm_atomic_get_existing_connector_state(state, connector)) + continue; - drm_for_each_connector(connector, dev) { - if (connector->state->best_encoder != encoder) + encoder = connector->state->best_encoder; + if (!encoder || !(encoder_mask & (1 << drm_encoder_index(encoder)))) continue; - return connector->state->crtc; + if (!disable_conflicting_encoders) { + DRM_DEBUG_ATOMIC("[ENCODER:%d:%s] in use on [CRTC:%d:%s] by [CONNECTOR:%d:%s]\n", + encoder->base.id, encoder->name, + connector->state->crtc->base.id, + connector->state->crtc->name, + connector->base.id, connector->name); + return -EINVAL; + } + + conn_state = drm_atomic_get_connector_state(state, connector); + if (IS_ERR(conn_state)) + return PTR_ERR(conn_state); + + DRM_DEBUG_ATOMIC("[ENCODER:%d:%s] in use on [CRTC:%d:%s], disabling [CONNECTOR:%d:%s]\n", + encoder->base.id, encoder->name, + conn_state->crtc->base.id, conn_state->crtc->name, + connector->base.id, connector->name); + + crtc_state = drm_atomic_get_existing_crtc_state(state, conn_state->crtc); + + ret = drm_atomic_set_crtc_for_connector(conn_state, NULL); + if (ret) + return ret; + + if (!crtc_state->connector_mask) { + ret = drm_atomic_set_mode_prop_for_crtc(crtc_state, + NULL); + if (ret < 0) + return ret; + + crtc_state->active = false; + } } - return NULL; + return 0; } static void @@ -166,70 +227,44 @@ set_best_encoder(struct drm_atomic_state *state, conn_state->best_encoder = encoder; } -static int +static void steal_encoder(struct drm_atomic_state *state, - struct drm_encoder *encoder, - struct drm_crtc *encoder_crtc) + struct drm_encoder *encoder) { - struct drm_mode_config *config = &state->dev->mode_config; struct drm_crtc_state *crtc_state; struct drm_connector *connector; struct drm_connector_state *connector_state; + int i; - /* - * We can only steal an encoder coming from a connector, which means we - * must already hold the connection_mutex. - */ - WARN_ON(!drm_modeset_is_locked(&config->connection_mutex)); - - DRM_DEBUG_ATOMIC("[ENCODER:%d:%s] in use on [CRTC:%d:%s], stealing it\n", - encoder->base.id, encoder->name, - encoder_crtc->base.id, encoder_crtc->name); - - crtc_state = drm_atomic_get_crtc_state(state, encoder_crtc); - if (IS_ERR(crtc_state)) - return PTR_ERR(crtc_state); - - crtc_state->connectors_changed = true; + for_each_connector_in_state(state, connector, connector_state, i) { + struct drm_crtc *encoder_crtc; - list_for_each_entry(connector, &config->connector_list, head) { - if (connector->state->best_encoder != encoder) + if (connector_state->best_encoder != encoder) continue; - DRM_DEBUG_ATOMIC("Stealing encoder from [CONNECTOR:%d:%s]\n", - connector->base.id, - connector->name); + encoder_crtc = connector->state->crtc; - connector_state = drm_atomic_get_connector_state(state, - connector); - if (IS_ERR(connector_state)) - return PTR_ERR(connector_state); - - if (connector_state->best_encoder != encoder) - continue; + DRM_DEBUG_ATOMIC("[ENCODER:%d:%s] in use on [CRTC:%d:%s], stealing it\n", + encoder->base.id, encoder->name, + encoder_crtc->base.id, encoder_crtc->name); set_best_encoder(state, connector_state, NULL); - } - return 0; + crtc_state = drm_atomic_get_existing_crtc_state(state, encoder_crtc); + crtc_state->connectors_changed = true; + + return; + } } static int -update_connector_routing(struct drm_atomic_state *state, int conn_idx) +update_connector_routing(struct drm_atomic_state *state, + struct drm_connector *connector, + struct drm_connector_state *connector_state) { const struct drm_connector_helper_funcs *funcs; struct drm_encoder *new_encoder; - struct drm_crtc *encoder_crtc; - struct drm_connector *connector; - struct drm_connector_state *connector_state; struct drm_crtc_state *crtc_state; - int idx, ret; - - connector = state->connectors[conn_idx]; - connector_state = state->connector_states[conn_idx]; - - if (!connector) - return 0; DRM_DEBUG_ATOMIC("Updating routing for [CONNECTOR:%d:%s]\n", connector->base.id, @@ -237,16 +272,12 @@ update_connector_routing(struct drm_atomic_state *state, int conn_idx) if (connector->state->crtc != connector_state->crtc) { if (connector->state->crtc) { - idx = drm_crtc_index(connector->state->crtc); - - crtc_state = state->crtc_states[idx]; + crtc_state = drm_atomic_get_existing_crtc_state(state, connector->state->crtc); crtc_state->connectors_changed = true; } if (connector_state->crtc) { - idx = drm_crtc_index(connector_state->crtc); - - crtc_state = state->crtc_states[idx]; + crtc_state = drm_atomic_get_existing_crtc_state(state, connector_state->crtc); crtc_state->connectors_changed = true; } } @@ -298,34 +329,11 @@ update_connector_routing(struct drm_atomic_state *state, int conn_idx) return 0; } - if (!check_pending_encoder_assignment(state, new_encoder)) { - DRM_DEBUG_ATOMIC("Encoder for [CONNECTOR:%d:%s] already assigned\n", - connector->base.id, - connector->name); - return -EINVAL; - } - - encoder_crtc = get_current_crtc_for_encoder(state->dev, - new_encoder); - - if (encoder_crtc) { - ret = steal_encoder(state, new_encoder, encoder_crtc); - if (ret) { - DRM_DEBUG_ATOMIC("Encoder stealing failed for [CONNECTOR:%d:%s]\n", - connector->base.id, - connector->name); - return ret; - } - } - - if (WARN_ON(!connector_state->crtc)) - return -EINVAL; + steal_encoder(state, new_encoder); set_best_encoder(state, connector_state, new_encoder); - idx = drm_crtc_index(connector_state->crtc); - - crtc_state = state->crtc_states[idx]; + crtc_state = drm_atomic_get_existing_crtc_state(state, connector_state->crtc); crtc_state->connectors_changed = true; DRM_DEBUG_ATOMIC("[CONNECTOR:%d:%s] using [ENCODER:%d:%s] on [CRTC:%d:%s]\n", @@ -488,13 +496,18 @@ drm_atomic_helper_check_modeset(struct drm_device *dev, } } + ret = handle_conflicting_encoders(state, state->legacy_set_config); + if (ret) + return ret; + for_each_connector_in_state(state, connector, connector_state, i) { /* * This only sets crtc->mode_changed for routing changes, * drivers must set crtc->mode_changed themselves when connector * properties need to be updated. */ - ret = update_connector_routing(state, i); + ret = update_connector_routing(state, connector, + connector_state); if (ret) return ret; } @@ -1761,28 +1774,18 @@ static int update_output_state(struct drm_atomic_state *state, struct drm_crtc_state *crtc_state; struct drm_connector *connector; struct drm_connector_state *conn_state; - int ret, i, j; + int ret, i; ret = drm_modeset_lock(&dev->mode_config.connection_mutex, state->acquire_ctx); if (ret) return ret; - /* First grab all affected connector/crtc states. */ - for (i = 0; i < set->num_connectors; i++) { - conn_state = drm_atomic_get_connector_state(state, - set->connectors[i]); - if (IS_ERR(conn_state)) - return PTR_ERR(conn_state); - } - - for_each_crtc_in_state(state, crtc, crtc_state, i) { - ret = drm_atomic_add_affected_connectors(state, crtc); - if (ret) - return ret; - } + /* First disable all connectors on the target crtc. */ + ret = drm_atomic_add_affected_connectors(state, set->crtc); + if (ret) + return ret; - /* Then recompute connector->crtc links and crtc enabling state. */ for_each_connector_in_state(state, connector, conn_state, i) { if (conn_state->crtc == set->crtc) { ret = drm_atomic_set_crtc_for_connector(conn_state, @@ -1790,16 +1793,19 @@ static int update_output_state(struct drm_atomic_state *state, if (ret) return ret; } + } - for (j = 0; j < set->num_connectors; j++) { - if (set->connectors[j] == connector) { - ret = drm_atomic_set_crtc_for_connector(conn_state, - set->crtc); - if (ret) - return ret; - break; - } - } + /* Then set all connectors from set->connectors on the target crtc */ + for (i = 0; i < set->num_connectors; i++) { + conn_state = drm_atomic_get_connector_state(state, + set->connectors[i]); + if (IS_ERR(conn_state)) + return PTR_ERR(conn_state); + + ret = drm_atomic_set_crtc_for_connector(conn_state, + set->crtc); + if (ret) + return ret; } for_each_crtc_in_state(state, crtc, crtc_state, i) { @@ -1842,6 +1848,7 @@ int drm_atomic_helper_set_config(struct drm_mode_set *set) if (!state) return -ENOMEM; + state->legacy_set_config = true; state->acquire_ctx = drm_modeset_legacy_acquire_ctx(crtc); retry: ret = __drm_atomic_helper_set_config(set, state); @@ -2488,8 +2495,12 @@ EXPORT_SYMBOL(drm_atomic_helper_connector_dpms); */ void drm_atomic_helper_crtc_reset(struct drm_crtc *crtc) { - if (crtc->state) + if (crtc->state) { drm_property_unreference_blob(crtc->state->mode_blob); + drm_property_unreference_blob(crtc->state->degamma_lut); + drm_property_unreference_blob(crtc->state->ctm); + drm_property_unreference_blob(crtc->state->gamma_lut); + } kfree(crtc->state); crtc->state = kzalloc(sizeof(*crtc->state), GFP_KERNEL); @@ -2513,10 +2524,17 @@ void __drm_atomic_helper_crtc_duplicate_state(struct drm_crtc *crtc, if (state->mode_blob) drm_property_reference_blob(state->mode_blob); + if (state->degamma_lut) + drm_property_reference_blob(state->degamma_lut); + if (state->ctm) + drm_property_reference_blob(state->ctm); + if (state->gamma_lut) + drm_property_reference_blob(state->gamma_lut); state->mode_changed = false; state->active_changed = false; state->planes_changed = false; state->connectors_changed = false; + state->color_mgmt_changed = false; state->event = NULL; } EXPORT_SYMBOL(__drm_atomic_helper_crtc_duplicate_state); @@ -2557,6 +2575,9 @@ void __drm_atomic_helper_crtc_destroy_state(struct drm_crtc *crtc, struct drm_crtc_state *state) { drm_property_unreference_blob(state->mode_blob); + drm_property_unreference_blob(state->degamma_lut); + drm_property_unreference_blob(state->ctm); + drm_property_unreference_blob(state->gamma_lut); } EXPORT_SYMBOL(__drm_atomic_helper_crtc_destroy_state); @@ -2870,3 +2891,98 @@ void drm_atomic_helper_connector_destroy_state(struct drm_connector *connector, kfree(state); } EXPORT_SYMBOL(drm_atomic_helper_connector_destroy_state); + +/** + * drm_atomic_helper_legacy_gamma_set - set the legacy gamma correction table + * @crtc: CRTC object + * @red: red correction table + * @green: green correction table + * @blue: green correction table + * @start: + * @size: size of the tables + * + * Implements support for legacy gamma correction table for drivers + * that support color management through the DEGAMMA_LUT/GAMMA_LUT + * properties. + */ +void drm_atomic_helper_legacy_gamma_set(struct drm_crtc *crtc, + u16 *red, u16 *green, u16 *blue, + uint32_t start, uint32_t size) +{ + struct drm_device *dev = crtc->dev; + struct drm_mode_config *config = &dev->mode_config; + struct drm_atomic_state *state; + struct drm_crtc_state *crtc_state; + struct drm_property_blob *blob = NULL; + struct drm_color_lut *blob_data; + int i, ret = 0; + + state = drm_atomic_state_alloc(crtc->dev); + if (!state) + return; + + blob = drm_property_create_blob(dev, + sizeof(struct drm_color_lut) * size, + NULL); + if (IS_ERR(blob)) { + ret = PTR_ERR(blob); + blob = NULL; + goto fail; + } + + /* Prepare GAMMA_LUT with the legacy values. */ + blob_data = (struct drm_color_lut *) blob->data; + for (i = 0; i < size; i++) { + blob_data[i].red = red[i]; + blob_data[i].green = green[i]; + blob_data[i].blue = blue[i]; + } + + state->acquire_ctx = crtc->dev->mode_config.acquire_ctx; +retry: + crtc_state = drm_atomic_get_crtc_state(state, crtc); + if (IS_ERR(crtc_state)) { + ret = PTR_ERR(crtc_state); + goto fail; + } + + /* Reset DEGAMMA_LUT and CTM properties. */ + ret = drm_atomic_crtc_set_property(crtc, crtc_state, + config->degamma_lut_property, 0); + if (ret) + goto fail; + + ret = drm_atomic_crtc_set_property(crtc, crtc_state, + config->ctm_property, 0); + if (ret) + goto fail; + + ret = drm_atomic_crtc_set_property(crtc, crtc_state, + config->gamma_lut_property, blob->base.id); + if (ret) + goto fail; + + ret = drm_atomic_commit(state); + if (ret) + goto fail; + + /* Driver takes ownership of state on successful commit. */ + + drm_property_unreference_blob(blob); + + return; +fail: + if (ret == -EDEADLK) + goto backoff; + + drm_atomic_state_free(state); + drm_property_unreference_blob(blob); + + return; +backoff: + drm_atomic_state_clear(state); + drm_atomic_legacy_backoff(state); + + goto retry; +} +EXPORT_SYMBOL(drm_atomic_helper_legacy_gamma_set); diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 84514001dcef..e08f962288d9 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -430,9 +430,7 @@ EXPORT_SYMBOL(drm_framebuffer_init); static void __drm_framebuffer_unregister(struct drm_device *dev, struct drm_framebuffer *fb) { - mutex_lock(&dev->mode_config.idr_mutex); - idr_remove(&dev->mode_config.crtc_idr, fb->base.id); - mutex_unlock(&dev->mode_config.idr_mutex); + drm_mode_object_put(dev, &fb->base); fb->base.id = 0; } @@ -1554,6 +1552,41 @@ static int drm_mode_create_standard_properties(struct drm_device *dev) return -ENOMEM; dev->mode_config.prop_mode_id = prop; + prop = drm_property_create(dev, + DRM_MODE_PROP_BLOB, + "DEGAMMA_LUT", 0); + if (!prop) + return -ENOMEM; + dev->mode_config.degamma_lut_property = prop; + + prop = drm_property_create_range(dev, + DRM_MODE_PROP_IMMUTABLE, + "DEGAMMA_LUT_SIZE", 0, UINT_MAX); + if (!prop) + return -ENOMEM; + dev->mode_config.degamma_lut_size_property = prop; + + prop = drm_property_create(dev, + DRM_MODE_PROP_BLOB, + "CTM", 0); + if (!prop) + return -ENOMEM; + dev->mode_config.ctm_property = prop; + + prop = drm_property_create(dev, + DRM_MODE_PROP_BLOB, + "GAMMA_LUT", 0); + if (!prop) + return -ENOMEM; + dev->mode_config.gamma_lut_property = prop; + + prop = drm_property_create_range(dev, + DRM_MODE_PROP_IMMUTABLE, + "GAMMA_LUT_SIZE", 0, UINT_MAX); + if (!prop) + return -ENOMEM; + dev->mode_config.gamma_lut_size_property = prop; + return 0; } diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c index 7539eea4ccbc..79555d2b1b87 100644 --- a/drivers/gpu/drm/drm_crtc_helper.c +++ b/drivers/gpu/drm/drm_crtc_helper.c @@ -1075,3 +1075,36 @@ int drm_helper_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, return drm_plane_helper_commit(plane, plane_state, old_fb); } EXPORT_SYMBOL(drm_helper_crtc_mode_set_base); + +/** + * drm_helper_crtc_enable_color_mgmt - enable color management properties + * @crtc: DRM CRTC + * @degamma_lut_size: the size of the degamma lut (before CSC) + * @gamma_lut_size: the size of the gamma lut (after CSC) + * + * This function lets the driver enable the color correction properties on a + * CRTC. This includes 3 degamma, csc and gamma properties that userspace can + * set and 2 size properties to inform the userspace of the lut sizes. + */ +void drm_helper_crtc_enable_color_mgmt(struct drm_crtc *crtc, + int degamma_lut_size, + int gamma_lut_size) +{ + struct drm_device *dev = crtc->dev; + struct drm_mode_config *config = &dev->mode_config; + + drm_object_attach_property(&crtc->base, + config->degamma_lut_property, 0); + drm_object_attach_property(&crtc->base, + config->ctm_property, 0); + drm_object_attach_property(&crtc->base, + config->gamma_lut_property, 0); + + drm_object_attach_property(&crtc->base, + config->degamma_lut_size_property, + degamma_lut_size); + drm_object_attach_property(&crtc->base, + config->gamma_lut_size_property, + gamma_lut_size); +} +EXPORT_SYMBOL(drm_helper_crtc_enable_color_mgmt); diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index fdb1eb014586..414d7f61aa05 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -3308,7 +3308,7 @@ void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid) u8 *cea; u8 *name; u8 *db; - int sad_count = 0; + int total_sad_count = 0; int mnl; int dbl; @@ -3322,6 +3322,7 @@ void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid) name = NULL; drm_for_each_detailed_block((u8 *)edid, monitor_name, &name); + /* max: 13 bytes EDID, 16 bytes ELD */ for (mnl = 0; name && mnl < 13; mnl++) { if (name[mnl] == 0x0a) break; @@ -3350,11 +3351,15 @@ void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid) dbl = cea_db_payload_len(db); switch (cea_db_tag(db)) { + int sad_count; + case AUDIO_BLOCK: /* Audio Data Block, contains SADs */ - sad_count = dbl / 3; - if (dbl >= 1) - memcpy(eld + 20 + mnl, &db[1], dbl); + sad_count = min(dbl / 3, 15 - total_sad_count); + if (sad_count >= 1) + memcpy(eld + 20 + mnl + total_sad_count * 3, + &db[1], sad_count * 3); + total_sad_count += sad_count; break; case SPEAKER_BLOCK: /* Speaker Allocation Data Block */ @@ -3371,13 +3376,13 @@ void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid) } } } - eld[5] |= sad_count << 4; + eld[5] |= total_sad_count << 4; eld[DRM_ELD_BASELINE_ELD_LEN] = DIV_ROUND_UP(drm_eld_calc_baseline_block_size(eld), 4); DRM_DEBUG_KMS("ELD size %d, SAD count %d\n", - drm_eld_size(eld), sad_count); + drm_eld_size(eld), total_sad_count); } EXPORT_SYMBOL(drm_edid_to_eld); diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c index 7574db2da413..4ed7798533f9 100644 --- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c +++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c @@ -62,13 +62,6 @@ static void fsl_dcu_drm_crtc_enable(struct drm_crtc *crtc) DCU_UPDATE_MODE_READREG); } -static bool fsl_dcu_drm_crtc_mode_fixup(struct drm_crtc *crtc, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - return true; -} - static void fsl_dcu_drm_crtc_mode_set_nofb(struct drm_crtc *crtc) { struct drm_device *dev = crtc->dev; @@ -127,7 +120,6 @@ static const struct drm_crtc_helper_funcs fsl_dcu_drm_crtc_helper_funcs = { .atomic_flush = fsl_dcu_drm_crtc_atomic_flush, .disable = fsl_dcu_drm_disable_crtc, .enable = fsl_dcu_drm_crtc_enable, - .mode_fixup = fsl_dcu_drm_crtc_mode_fixup, .mode_set_nofb = fsl_dcu_drm_crtc_mode_set_nofb, }; diff --git a/drivers/gpu/drm/gma500/cdv_intel_display.c b/drivers/gpu/drm/gma500/cdv_intel_display.c index 6126546295e9..17db4b4749d5 100644 --- a/drivers/gpu/drm/gma500/cdv_intel_display.c +++ b/drivers/gpu/drm/gma500/cdv_intel_display.c @@ -116,7 +116,7 @@ static const struct gma_limit_t cdv_intel_limits[] = { .p1 = {.min = 1, .max = 10}, .p2 = {.dot_limit = 225000, .p2_slow = 10, .p2_fast = 10}, .find_pll = cdv_intel_find_dp_pll, - } + } }; #define _wait_for(COND, MS, W) ({ \ @@ -245,7 +245,7 @@ cdv_dpll_set_clock_cdv(struct drm_device *dev, struct drm_crtc *crtc, /* We don't know what the other fields of these regs are, so * leave them in place. */ - /* + /* * The BIT 14:13 of 0x8010/0x8030 is used to select the ref clk * for the pipe A/B. Display spec 1.06 has wrong definition. * Correct definition is like below: @@ -256,7 +256,7 @@ cdv_dpll_set_clock_cdv(struct drm_device *dev, struct drm_crtc *crtc, * * if DPLLA sets 01 and DPLLB sets 02, both use clk from DPLLA * - */ + */ ret = cdv_sb_read(dev, ref_sfr, &ref_value); if (ret) return ret; @@ -646,7 +646,7 @@ static int cdv_intel_crtc_mode_set(struct drm_crtc *crtc, * for DP/eDP. When using SSC clock, the ref clk is 100MHz.Otherwise * it will be 27MHz. From the VBIOS code it seems that the pipe A choose * 27MHz for DP/eDP while the Pipe B chooses the 100MHz. - */ + */ if (pipe == 0) refclk = 27000; else @@ -659,7 +659,7 @@ static int cdv_intel_crtc_mode_set(struct drm_crtc *crtc, } drm_mode_debug_printmodeline(adjusted_mode); - + limit = gma_crtc->clock_funcs->limit(crtc, refclk); ok = limit->find_pll(limit, crtc, adjusted_mode->clock, refclk, @@ -721,7 +721,7 @@ static int cdv_intel_crtc_mode_set(struct drm_crtc *crtc, pipeconf |= PIPE_6BPC; } else pipeconf |= PIPE_8BPC; - + /* Set up the display plane register */ dspcntr = DISPPLANE_GAMMA_ENABLE; @@ -974,7 +974,6 @@ struct drm_display_mode *cdv_intel_crtc_mode_get(struct drm_device *dev, const struct drm_crtc_helper_funcs cdv_intel_helper_funcs = { .dpms = gma_crtc_dpms, - .mode_fixup = gma_crtc_mode_fixup, .mode_set = cdv_intel_crtc_mode_set, .mode_set_base = gma_pipe_set_base, .prepare = gma_crtc_prepare, diff --git a/drivers/gpu/drm/gma500/gma_display.c b/drivers/gpu/drm/gma500/gma_display.c index 927082148d4d..5bf765de2517 100644 --- a/drivers/gpu/drm/gma500/gma_display.c +++ b/drivers/gpu/drm/gma500/gma_display.c @@ -478,13 +478,6 @@ int gma_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) return 0; } -bool gma_crtc_mode_fixup(struct drm_crtc *crtc, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - return true; -} - void gma_crtc_prepare(struct drm_crtc *crtc) { const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; diff --git a/drivers/gpu/drm/gma500/gma_display.h b/drivers/gpu/drm/gma500/gma_display.h index 78b9f986a6e5..b2491c65f053 100644 --- a/drivers/gpu/drm/gma500/gma_display.h +++ b/drivers/gpu/drm/gma500/gma_display.h @@ -75,9 +75,6 @@ extern void gma_crtc_load_lut(struct drm_crtc *crtc); extern void gma_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, u16 *blue, u32 start, u32 size); extern void gma_crtc_dpms(struct drm_crtc *crtc, int mode); -extern bool gma_crtc_mode_fixup(struct drm_crtc *crtc, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode); extern void gma_crtc_prepare(struct drm_crtc *crtc); extern void gma_crtc_commit(struct drm_crtc *crtc); extern void gma_crtc_disable(struct drm_crtc *crtc); diff --git a/drivers/gpu/drm/gma500/mdfld_intel_display.c b/drivers/gpu/drm/gma500/mdfld_intel_display.c index acd38344b302..92e3f93ee682 100644 --- a/drivers/gpu/drm/gma500/mdfld_intel_display.c +++ b/drivers/gpu/drm/gma500/mdfld_intel_display.c @@ -1026,10 +1026,8 @@ mrst_crtc_mode_set_exit: const struct drm_crtc_helper_funcs mdfld_helper_funcs = { .dpms = mdfld_crtc_dpms, - .mode_fixup = gma_crtc_mode_fixup, .mode_set = mdfld_crtc_mode_set, .mode_set_base = mdfld__intel_pipe_set_base, .prepare = gma_crtc_prepare, .commit = gma_crtc_commit, }; - diff --git a/drivers/gpu/drm/gma500/oaktrail_crtc.c b/drivers/gpu/drm/gma500/oaktrail_crtc.c index 1048f0c7c6ce..da9fd34b9550 100644 --- a/drivers/gpu/drm/gma500/oaktrail_crtc.c +++ b/drivers/gpu/drm/gma500/oaktrail_crtc.c @@ -657,7 +657,6 @@ pipe_set_base_exit: const struct drm_crtc_helper_funcs oaktrail_helper_funcs = { .dpms = oaktrail_crtc_dpms, - .mode_fixup = gma_crtc_mode_fixup, .mode_set = oaktrail_crtc_mode_set, .mode_set_base = oaktrail_pipe_set_base, .prepare = gma_crtc_prepare, diff --git a/drivers/gpu/drm/gma500/psb_intel_display.c b/drivers/gpu/drm/gma500/psb_intel_display.c index dcdbc37e55e1..398015be87e4 100644 --- a/drivers/gpu/drm/gma500/psb_intel_display.c +++ b/drivers/gpu/drm/gma500/psb_intel_display.c @@ -430,7 +430,6 @@ struct drm_display_mode *psb_intel_crtc_mode_get(struct drm_device *dev, const struct drm_crtc_helper_funcs psb_intel_helper_funcs = { .dpms = gma_crtc_dpms, - .mode_fixup = gma_crtc_mode_fixup, .mode_set = psb_intel_crtc_mode_set, .mode_set_base = gma_pipe_set_base, .prepare = gma_crtc_prepare, diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c index af8b4c19cf15..14e64e08909e 100644 --- a/drivers/gpu/drm/mgag200/mgag200_mode.c +++ b/drivers/gpu/drm/mgag200/mgag200_mode.c @@ -92,18 +92,6 @@ static inline void mga_wait_busy(struct mga_device *mdev) } while ((status & 0x01) && time_before(jiffies, timeout)); } -/* - * The core passes the desired mode to the CRTC code to see whether any - * CRTC-specific modifications need to be made to it. We're in a position - * to just pass that straight through, so this does nothing - */ -static bool mga_crtc_mode_fixup(struct drm_crtc *crtc, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - return true; -} - #define P_ARRAY_SIZE 9 static int mga_g200se_set_plls(struct mga_device *mdev, long clock) @@ -1410,7 +1398,6 @@ static const struct drm_crtc_funcs mga_crtc_funcs = { static const struct drm_crtc_helper_funcs mga_helper_funcs = { .disable = mga_crtc_disable, .dpms = mga_crtc_dpms, - .mode_fixup = mga_crtc_mode_fixup, .mode_set = mga_crtc_mode_set, .mode_set_base = mga_crtc_mode_set_base, .prepare = mga_crtc_prepare, diff --git a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c index c77e3d4e2c5c..e233acf52334 100644 --- a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c +++ b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c @@ -147,13 +147,6 @@ static void mdp4_crtc_destroy(struct drm_crtc *crtc) kfree(mdp4_crtc); } -static bool mdp4_crtc_mode_fixup(struct drm_crtc *crtc, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - return true; -} - /* statically (for now) map planes to mixer stage (z-order): */ static const int idxs[] = { [VG1] = 1, @@ -501,7 +494,6 @@ static const struct drm_crtc_funcs mdp4_crtc_funcs = { }; static const struct drm_crtc_helper_funcs mdp4_crtc_helper_funcs = { - .mode_fixup = mdp4_crtc_mode_fixup, .mode_set_nofb = mdp4_crtc_mode_set_nofb, .disable = mdp4_crtc_disable, .enable = mdp4_crtc_enable, diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c index a064d9712234..9673b9520b6a 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c @@ -185,13 +185,6 @@ static void mdp5_crtc_destroy(struct drm_crtc *crtc) kfree(mdp5_crtc); } -static bool mdp5_crtc_mode_fixup(struct drm_crtc *crtc, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - return true; -} - /* * blend_setup() - blend all the planes of a CRTC * @@ -627,7 +620,6 @@ static const struct drm_crtc_funcs mdp5_crtc_funcs = { }; static const struct drm_crtc_helper_funcs mdp5_crtc_helper_funcs = { - .mode_fixup = mdp5_crtc_mode_fixup, .mode_set_nofb = mdp5_crtc_mode_set_nofb, .disable = mdp5_crtc_disable, .enable = mdp5_crtc_enable, diff --git a/drivers/gpu/drm/nouveau/dispnv04/crtc.c b/drivers/gpu/drm/nouveau/dispnv04/crtc.c index 6f04397d43a7..55ccbf006b5e 100644 --- a/drivers/gpu/drm/nouveau/dispnv04/crtc.c +++ b/drivers/gpu/drm/nouveau/dispnv04/crtc.c @@ -227,13 +227,6 @@ nv_crtc_dpms(struct drm_crtc *crtc, int mode) NVWriteVgaCrtc(dev, nv_crtc->index, NV_CIO_CRE_RPC1_INDEX, crtc1A); } -static bool -nv_crtc_mode_fixup(struct drm_crtc *crtc, const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - return true; -} - static void nv_crtc_mode_set_vga(struct drm_crtc *crtc, struct drm_display_mode *mode) { @@ -1093,7 +1086,6 @@ static const struct drm_crtc_helper_funcs nv04_crtc_helper_funcs = { .dpms = nv_crtc_dpms, .prepare = nv_crtc_prepare, .commit = nv_crtc_commit, - .mode_fixup = nv_crtc_mode_fixup, .mode_set = nv_crtc_mode_set, .mode_set_base = nv04_crtc_mode_set_base, .mode_set_base_atomic = nv04_crtc_mode_set_base_atomic, diff --git a/drivers/gpu/drm/omapdrm/omap_crtc.c b/drivers/gpu/drm/omapdrm/omap_crtc.c index 04097dab8589..075f2bb44867 100644 --- a/drivers/gpu/drm/omapdrm/omap_crtc.c +++ b/drivers/gpu/drm/omapdrm/omap_crtc.c @@ -332,13 +332,6 @@ static void omap_crtc_destroy(struct drm_crtc *crtc) kfree(omap_crtc); } -static bool omap_crtc_mode_fixup(struct drm_crtc *crtc, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - return true; -} - static void omap_crtc_enable(struct drm_crtc *crtc) { struct omap_crtc *omap_crtc = to_omap_crtc(crtc); @@ -475,7 +468,6 @@ static const struct drm_crtc_funcs omap_crtc_funcs = { }; static const struct drm_crtc_helper_funcs omap_crtc_helper_funcs = { - .mode_fixup = omap_crtc_mode_fixup, .mode_set_nofb = omap_crtc_mode_set_nofb, .disable = omap_crtc_disable, .enable = omap_crtc_enable, diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c index 51e9e8ce551a..d9f06cc361fa 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c @@ -491,14 +491,6 @@ static void rcar_du_crtc_disable(struct drm_crtc *crtc) rcrtc->outputs = 0; } -static bool rcar_du_crtc_mode_fixup(struct drm_crtc *crtc, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - /* TODO Fixup modes */ - return true; -} - static void rcar_du_crtc_atomic_begin(struct drm_crtc *crtc, struct drm_crtc_state *old_crtc_state) { @@ -531,7 +523,6 @@ static void rcar_du_crtc_atomic_flush(struct drm_crtc *crtc, } static const struct drm_crtc_helper_funcs crtc_helper_funcs = { - .mode_fixup = rcar_du_crtc_mode_fixup, .disable = rcar_du_crtc_disable, .enable = rcar_du_crtc_enable, .atomic_begin = rcar_du_crtc_atomic_begin, diff --git a/drivers/gpu/drm/shmobile/shmob_drm_crtc.c b/drivers/gpu/drm/shmobile/shmob_drm_crtc.c index 27342fd76e90..88643ab160bf 100644 --- a/drivers/gpu/drm/shmobile/shmob_drm_crtc.c +++ b/drivers/gpu/drm/shmobile/shmob_drm_crtc.c @@ -359,13 +359,6 @@ static void shmob_drm_crtc_dpms(struct drm_crtc *crtc, int mode) scrtc->dpms = mode; } -static bool shmob_drm_crtc_mode_fixup(struct drm_crtc *crtc, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - return true; -} - static void shmob_drm_crtc_mode_prepare(struct drm_crtc *crtc) { shmob_drm_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); @@ -431,7 +424,6 @@ static int shmob_drm_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, static const struct drm_crtc_helper_funcs crtc_helper_funcs = { .dpms = shmob_drm_crtc_dpms, - .mode_fixup = shmob_drm_crtc_mode_fixup, .prepare = shmob_drm_crtc_mode_prepare, .commit = shmob_drm_crtc_mode_commit, .mode_set = shmob_drm_crtc_mode_set, diff --git a/drivers/gpu/drm/sti/sti_crtc.c b/drivers/gpu/drm/sti/sti_crtc.c index de11c7cfb02f..e04deedabd4a 100644 --- a/drivers/gpu/drm/sti/sti_crtc.c +++ b/drivers/gpu/drm/sti/sti_crtc.c @@ -51,14 +51,6 @@ static void sti_crtc_disabling(struct drm_crtc *crtc) mixer->status = STI_MIXER_DISABLING; } -static bool sti_crtc_mode_fixup(struct drm_crtc *crtc, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - /* accept the provided drm_display_mode, do not fix it up */ - return true; -} - static int sti_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode) { @@ -229,7 +221,6 @@ static void sti_crtc_atomic_flush(struct drm_crtc *crtc, static const struct drm_crtc_helper_funcs sti_crtc_helper_funcs = { .enable = sti_crtc_enable, .disable = sti_crtc_disabling, - .mode_fixup = sti_crtc_mode_fixup, .mode_set = drm_helper_crtc_mode_set, .mode_set_nofb = sti_crtc_mode_set_nofb, .mode_set_base = drm_helper_crtc_mode_set_base, diff --git a/drivers/gpu/drm/udl/udl_modeset.c b/drivers/gpu/drm/udl/udl_modeset.c index 160ef2a08b89..b87afee44995 100644 --- a/drivers/gpu/drm/udl/udl_modeset.c +++ b/drivers/gpu/drm/udl/udl_modeset.c @@ -279,14 +279,6 @@ static void udl_crtc_dpms(struct drm_crtc *crtc, int mode) } -static bool udl_crtc_mode_fixup(struct drm_crtc *crtc, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) - -{ - return true; -} - #if 0 static int udl_pipe_set_base_atomic(struct drm_crtc *crtc, struct drm_framebuffer *fb, @@ -402,7 +394,6 @@ static void udl_crtc_commit(struct drm_crtc *crtc) static const struct drm_crtc_helper_funcs udl_helper_funcs = { .dpms = udl_crtc_dpms, - .mode_fixup = udl_crtc_mode_fixup, .mode_set = udl_crtc_mode_set, .prepare = udl_crtc_prepare, .commit = udl_crtc_commit, diff --git a/drivers/gpu/drm/virtio/virtgpu_display.c b/drivers/gpu/drm/virtio/virtgpu_display.c index 429aa311685a..4854dac87e24 100644 --- a/drivers/gpu/drm/virtio/virtgpu_display.c +++ b/drivers/gpu/drm/virtio/virtgpu_display.c @@ -237,13 +237,6 @@ virtio_gpu_framebuffer_init(struct drm_device *dev, return 0; } -static bool virtio_gpu_crtc_mode_fixup(struct drm_crtc *crtc, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - return true; -} - static void virtio_gpu_crtc_mode_set_nofb(struct drm_crtc *crtc) { struct drm_device *dev = crtc->dev; @@ -277,7 +270,6 @@ static int virtio_gpu_crtc_atomic_check(struct drm_crtc *crtc, static const struct drm_crtc_helper_funcs virtio_gpu_crtc_helper_funcs = { .enable = virtio_gpu_crtc_enable, .disable = virtio_gpu_crtc_disable, - .mode_fixup = virtio_gpu_crtc_mode_fixup, .mode_set_nofb = virtio_gpu_crtc_mode_set_nofb, .atomic_check = virtio_gpu_crtc_atomic_check, }; diff --git a/include/drm/drm_atomic_helper.h b/include/drm/drm_atomic_helper.h index fe5efada9d68..9054598c9a7a 100644 --- a/include/drm/drm_atomic_helper.h +++ b/include/drm/drm_atomic_helper.h @@ -146,6 +146,9 @@ __drm_atomic_helper_connector_destroy_state(struct drm_connector *connector, struct drm_connector_state *state); void drm_atomic_helper_connector_destroy_state(struct drm_connector *connector, struct drm_connector_state *state); +void drm_atomic_helper_legacy_gamma_set(struct drm_crtc *crtc, + u16 *red, u16 *green, u16 *blue, + uint32_t start, uint32_t size); /** * drm_atomic_crtc_for_each_plane - iterate over planes currently attached to CRTC diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index 7fad193dc645..fb9672783fa7 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -305,6 +305,8 @@ struct drm_plane_helper_funcs; * @mode_changed: crtc_state->mode or crtc_state->enable has been changed * @active_changed: crtc_state->active has been toggled. * @connectors_changed: connectors to this crtc have been updated + * @color_mgmt_changed: color management properties have changed (degamma or + * gamma LUT or CSC matrix) * @plane_mask: bitmask of (1 << drm_plane_index(plane)) of attached planes * @connector_mask: bitmask of (1 << drm_connector_index(connector)) of attached connectors * @encoder_mask: bitmask of (1 << drm_encoder_index(encoder)) of attached encoders @@ -312,6 +314,11 @@ struct drm_plane_helper_funcs; * update to ensure framebuffer cleanup isn't done too early * @adjusted_mode: for use by helpers and drivers to compute adjusted mode timings * @mode: current mode timings + * @degamma_lut: Lookup table for converting framebuffer pixel data + * before apply the conversion matrix + * @ctm: Transformation matrix + * @gamma_lut: Lookup table for converting pixel data after the + * conversion matrix * @event: optional pointer to a DRM event to signal upon completion of the * state update * @state: backpointer to global drm_atomic_state @@ -333,6 +340,7 @@ struct drm_crtc_state { bool mode_changed : 1; bool active_changed : 1; bool connectors_changed : 1; + bool color_mgmt_changed : 1; /* attached planes bitmask: * WARNING: transitional helpers do not maintain plane_mask so @@ -355,6 +363,11 @@ struct drm_crtc_state { /* blob property to expose current mode to atomic userspace */ struct drm_property_blob *mode_blob; + /* blob property to expose color management to userspace */ + struct drm_property_blob *degamma_lut; + struct drm_property_blob *ctm; + struct drm_property_blob *gamma_lut; + struct drm_pending_vblank_event *event; struct drm_atomic_state *state; @@ -757,7 +770,7 @@ struct drm_crtc { int x, y; const struct drm_crtc_funcs *funcs; - /* CRTC gamma size for reporting to userspace */ + /* Legacy FB CRTC gamma size for reporting to userspace */ uint32_t gamma_size; uint16_t *gamma_store; @@ -1677,6 +1690,7 @@ struct drm_bridge { * @dev: parent DRM device * @allow_modeset: allow full modeset * @legacy_cursor_update: hint to enforce legacy cursor IOCTL semantics + * @legacy_set_config: Disable conflicting encoders instead of failing with -EINVAL. * @planes: pointer to array of plane pointers * @plane_states: pointer to array of plane states pointers * @crtcs: pointer to array of CRTC pointers @@ -1690,6 +1704,7 @@ struct drm_atomic_state { struct drm_device *dev; bool allow_modeset : 1; bool legacy_cursor_update : 1; + bool legacy_set_config : 1; struct drm_plane **planes; struct drm_plane_state **plane_states; struct drm_crtc **crtcs; @@ -2026,6 +2041,15 @@ struct drm_mode_config_funcs { * @property_blob_list: list of all the blob property objects * @blob_lock: mutex for blob property allocation and management * @*_property: core property tracking + * @degamma_lut_property: LUT used to convert the framebuffer's colors to linear + * gamma + * @degamma_lut_size_property: size of the degamma LUT as supported by the + * driver (read-only) + * @ctm_property: Matrix used to convert colors after the lookup in the + * degamma LUT + * @gamma_lut_property: LUT used to convert the colors, after the CSC matrix, to + * the gamma space of the connected screen (read-only) + * @gamma_lut_size_property: size of the gamma LUT as supported by the driver * @preferred_depth: preferred RBG pixel depth, used by fb helpers * @prefer_shadow: hint to userspace to prefer shadow-fb rendering * @async_page_flip: does this device support async flips on the primary plane? @@ -2128,6 +2152,13 @@ struct drm_mode_config { struct drm_property *aspect_ratio_property; struct drm_property *dirty_info_property; + /* Optional color correction properties */ + struct drm_property *degamma_lut_property; + struct drm_property *degamma_lut_size_property; + struct drm_property *ctm_property; + struct drm_property *gamma_lut_property; + struct drm_property *gamma_lut_size_property; + /* properties for virtual machine layout */ struct drm_property *suggested_x_property; struct drm_property *suggested_y_property; @@ -2554,6 +2585,21 @@ static inline struct drm_property *drm_property_find(struct drm_device *dev, return mo ? obj_to_property(mo) : NULL; } +/* + * Extract a degamma/gamma LUT value provided by user and round it to the + * precision supported by the hardware. + */ +static inline uint32_t drm_color_lut_extract(uint32_t user_input, + uint32_t bit_precision) +{ + uint32_t val = user_input + (1 << (16 - bit_precision - 1)); + uint32_t max = 0xffff >> (16 - bit_precision); + + val >>= 16 - bit_precision; + + return clamp_val(val, 0, max); +} + /* Plane list iterator for legacy (overlay only) planes. */ #define drm_for_each_legacy_plane(plane, dev) \ list_for_each_entry(plane, &(dev)->mode_config.plane_list, head) \ diff --git a/include/drm/drm_crtc_helper.h b/include/drm/drm_crtc_helper.h index 4b37afa2b73b..97fa894d4ee2 100644 --- a/include/drm/drm_crtc_helper.h +++ b/include/drm/drm_crtc_helper.h @@ -48,6 +48,9 @@ extern bool drm_crtc_helper_set_mode(struct drm_crtc *crtc, struct drm_display_mode *mode, int x, int y, struct drm_framebuffer *old_fb); +extern void drm_helper_crtc_enable_color_mgmt(struct drm_crtc *crtc, + int degamma_lut_size, + int gamma_lut_size); extern bool drm_helper_crtc_in_use(struct drm_crtc *crtc); extern bool drm_helper_encoder_in_use(struct drm_encoder *encoder); diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h index 50adb46204c2..c0217434d28d 100644 --- a/include/uapi/drm/drm_mode.h +++ b/include/uapi/drm/drm_mode.h @@ -487,6 +487,21 @@ struct drm_mode_crtc_lut { __u64 blue; }; +struct drm_color_ctm { + /* Conversion matrix in S31.32 format. */ + __s64 matrix[9]; +}; + +struct drm_color_lut { + /* + * Data is U0.16 fixed point format. + */ + __u16 red; + __u16 green; + __u16 blue; + __u16 reserved; +}; + #define DRM_MODE_PAGE_FLIP_EVENT 0x01 #define DRM_MODE_PAGE_FLIP_ASYNC 0x02 #define DRM_MODE_PAGE_FLIP_FLAGS (DRM_MODE_PAGE_FLIP_EVENT|DRM_MODE_PAGE_FLIP_ASYNC) |