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path: root/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c')
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c67
1 files changed, 33 insertions, 34 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index f9b9ab90558c..f9add85157e7 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -46,6 +46,7 @@
#include <linux/moduleparam.h>
#include <linux/version.h>
#include <linux/types.h>
+#include <linux/pm_runtime.h>
#include <drm/drmP.h>
#include <drm/drm_atomic.h>
@@ -2095,12 +2096,6 @@ convert_color_depth_from_display_info(const struct drm_connector *connector)
{
uint32_t bpc = connector->display_info.bpc;
- /* Limited color depth to 8bit
- * TODO: Still need to handle deep color
- */
- if (bpc > 8)
- bpc = 8;
-
switch (bpc) {
case 0:
/* Temporary Work around, DRM don't parse color depth for
@@ -2316,27 +2311,22 @@ decide_crtc_timing_for_drm_display_mode(struct drm_display_mode *drm_mode,
}
}
-static int create_fake_sink(struct amdgpu_dm_connector *aconnector)
+static struct dc_sink *
+create_fake_sink(struct amdgpu_dm_connector *aconnector)
{
- struct dc_sink *sink = NULL;
struct dc_sink_init_data sink_init_data = { 0 };
-
+ struct dc_sink *sink = NULL;
sink_init_data.link = aconnector->dc_link;
sink_init_data.sink_signal = aconnector->dc_link->connector_signal;
sink = dc_sink_create(&sink_init_data);
if (!sink) {
DRM_ERROR("Failed to create sink!\n");
- return -ENOMEM;
+ return NULL;
}
-
sink->sink_signal = SIGNAL_TYPE_VIRTUAL;
- aconnector->fake_enable = true;
-
- aconnector->dc_sink = sink;
- aconnector->dc_link->local_sink = sink;
- return 0;
+ return sink;
}
static void set_multisync_trigger_params(
@@ -2399,7 +2389,7 @@ create_stream_for_sink(struct amdgpu_dm_connector *aconnector,
struct dc_stream_state *stream = NULL;
struct drm_display_mode mode = *drm_mode;
bool native_mode_found = false;
-
+ struct dc_sink *sink = NULL;
if (aconnector == NULL) {
DRM_ERROR("aconnector is NULL!\n");
return stream;
@@ -2417,15 +2407,18 @@ create_stream_for_sink(struct amdgpu_dm_connector *aconnector,
return stream;
}
- if (create_fake_sink(aconnector))
+ sink = create_fake_sink(aconnector);
+ if (!sink)
return stream;
+ } else {
+ sink = aconnector->dc_sink;
}
- stream = dc_create_stream_for_sink(aconnector->dc_sink);
+ stream = dc_create_stream_for_sink(sink);
if (stream == NULL) {
DRM_ERROR("Failed to create stream for sink!\n");
- return stream;
+ goto finish;
}
list_for_each_entry(preferred_mode, &aconnector->base.modes, head) {
@@ -2464,12 +2457,15 @@ create_stream_for_sink(struct amdgpu_dm_connector *aconnector,
fill_audio_info(
&stream->audio_info,
drm_connector,
- aconnector->dc_sink);
+ sink);
update_stream_signal(stream);
if (dm_state && dm_state->freesync_capable)
stream->ignore_msa_timing_param = true;
+finish:
+ if (sink && sink->sink_signal == SIGNAL_TYPE_VIRTUAL)
+ dc_sink_release(sink);
return stream;
}
@@ -2714,6 +2710,9 @@ void amdgpu_dm_connector_funcs_reset(struct drm_connector *connector)
struct dm_connector_state *state =
to_dm_connector_state(connector->state);
+ if (connector->state)
+ __drm_atomic_helper_connector_destroy_state(connector->state);
+
kfree(state);
state = kzalloc(sizeof(*state), GFP_KERNEL);
@@ -2724,8 +2723,7 @@ void amdgpu_dm_connector_funcs_reset(struct drm_connector *connector)
state->underscan_hborder = 0;
state->underscan_vborder = 0;
- connector->state = &state->base;
- connector->state->connector = connector;
+ __drm_atomic_helper_connector_reset(connector, &state->base);
}
}
@@ -3083,17 +3081,6 @@ static int dm_plane_helper_prepare_fb(struct drm_plane *plane,
}
}
- /* It's a hack for s3 since in 4.9 kernel filter out cursor buffer
- * prepare and cleanup in drm_atomic_helper_prepare_planes
- * and drm_atomic_helper_cleanup_planes because fb doens't in s3.
- * IN 4.10 kernel this code should be removed and amdgpu_device_suspend
- * code touching fram buffers should be avoided for DC.
- */
- if (plane->type == DRM_PLANE_TYPE_CURSOR) {
- struct amdgpu_crtc *acrtc = to_amdgpu_crtc(new_state->crtc);
-
- acrtc->cursor_bo = obj;
- }
return 0;
}
@@ -4281,6 +4268,8 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
if (dm_old_crtc_state->stream)
remove_stream(adev, acrtc, dm_old_crtc_state->stream);
+ pm_runtime_get_noresume(dev->dev);
+
acrtc->enabled = true;
acrtc->hw_mode = new_crtc_state->mode;
crtc->hwmode = new_crtc_state->mode;
@@ -4469,6 +4458,16 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
drm_atomic_helper_wait_for_flip_done(dev, state);
drm_atomic_helper_cleanup_planes(dev, state);
+
+ /* Finally, drop a runtime PM reference for each newly disabled CRTC,
+ * so we can put the GPU into runtime suspend if we're not driving any
+ * displays anymore
+ */
+ pm_runtime_mark_last_busy(dev->dev);
+ for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
+ if (old_crtc_state->active && !new_crtc_state->active)
+ pm_runtime_put_autosuspend(dev->dev);
+ }
}