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Diffstat (limited to 'drivers/gpu/drm/imx')
-rw-r--r--drivers/gpu/drm/imx/Kconfig1
-rw-r--r--drivers/gpu/drm/imx/ipuv3-crtc.c6
-rw-r--r--drivers/gpu/drm/imx/ipuv3-plane.c29
-rw-r--r--drivers/gpu/drm/imx/ipuv3-plane.h1
4 files changed, 19 insertions, 18 deletions
diff --git a/drivers/gpu/drm/imx/Kconfig b/drivers/gpu/drm/imx/Kconfig
index c3c84a09e628..207bf7409dfb 100644
--- a/drivers/gpu/drm/imx/Kconfig
+++ b/drivers/gpu/drm/imx/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
config DRM_IMX
tristate "DRM Support for Freescale i.MX"
select DRM_KMS_HELPER
diff --git a/drivers/gpu/drm/imx/ipuv3-crtc.c b/drivers/gpu/drm/imx/ipuv3-crtc.c
index 9cc1d678674f..c436a28d50e4 100644
--- a/drivers/gpu/drm/imx/ipuv3-crtc.c
+++ b/drivers/gpu/drm/imx/ipuv3-crtc.c
@@ -91,14 +91,14 @@ static void ipu_crtc_atomic_disable(struct drm_crtc *crtc,
ipu_dc_disable(ipu);
ipu_prg_disable(ipu);
+ drm_crtc_vblank_off(crtc);
+
spin_lock_irq(&crtc->dev->event_lock);
- if (crtc->state->event) {
+ if (crtc->state->event && !crtc->state->active) {
drm_crtc_send_vblank_event(crtc, crtc->state->event);
crtc->state->event = NULL;
}
spin_unlock_irq(&crtc->dev->event_lock);
-
- drm_crtc_vblank_off(crtc);
}
static void imx_drm_crtc_reset(struct drm_crtc *crtc)
diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c
index d7a727a6e3d7..2a1e071d39ee 100644
--- a/drivers/gpu/drm/imx/ipuv3-plane.c
+++ b/drivers/gpu/drm/imx/ipuv3-plane.c
@@ -115,8 +115,8 @@ drm_plane_state_to_ubo(struct drm_plane_state *state)
cma_obj = drm_fb_cma_get_gem_obj(fb, 1);
BUG_ON(!cma_obj);
- x /= drm_format_horz_chroma_subsampling(fb->format->format);
- y /= drm_format_vert_chroma_subsampling(fb->format->format);
+ x /= fb->format->hsub;
+ y /= fb->format->vsub;
return cma_obj->paddr + fb->offsets[1] + fb->pitches[1] * y +
fb->format->cpp[1] * x - eba;
@@ -134,8 +134,8 @@ drm_plane_state_to_vbo(struct drm_plane_state *state)
cma_obj = drm_fb_cma_get_gem_obj(fb, 2);
BUG_ON(!cma_obj);
- x /= drm_format_horz_chroma_subsampling(fb->format->format);
- y /= drm_format_vert_chroma_subsampling(fb->format->format);
+ x /= fb->format->hsub;
+ y /= fb->format->vsub;
return cma_obj->paddr + fb->offsets[2] + fb->pitches[2] * y +
fb->format->cpp[2] * x - eba;
@@ -352,7 +352,6 @@ static int ipu_plane_atomic_check(struct drm_plane *plane,
struct drm_framebuffer *old_fb = old_state->fb;
unsigned long eba, ubo, vbo, old_ubo, old_vbo, alpha_eba;
bool can_position = (plane->type == DRM_PLANE_TYPE_OVERLAY);
- int hsub, vsub;
int ret;
/* Ok to disable */
@@ -471,10 +470,8 @@ static int ipu_plane_atomic_check(struct drm_plane *plane,
* The x/y offsets must be even in case of horizontal/vertical
* chroma subsampling.
*/
- hsub = drm_format_horz_chroma_subsampling(fb->format->format);
- vsub = drm_format_vert_chroma_subsampling(fb->format->format);
- if (((state->src.x1 >> 16) & (hsub - 1)) ||
- ((state->src.y1 >> 16) & (vsub - 1)))
+ if (((state->src.x1 >> 16) & (fb->format->hsub - 1)) ||
+ ((state->src.y1 >> 16) & (fb->format->vsub - 1)))
return -EINVAL;
break;
case DRM_FORMAT_RGB565_A8:
@@ -605,7 +602,6 @@ static void ipu_plane_atomic_update(struct drm_plane *plane,
active = ipu_idmac_get_current_buffer(ipu_plane->ipu_ch);
ipu_cpmem_set_buffer(ipu_plane->ipu_ch, !active, eba);
ipu_idmac_select_buffer(ipu_plane->ipu_ch, !active);
- ipu_plane->next_buf = !active;
if (ipu_plane_separate_alpha(ipu_plane)) {
active = ipu_idmac_get_current_buffer(ipu_plane->alpha_ch);
ipu_cpmem_set_buffer(ipu_plane->alpha_ch, !active,
@@ -639,6 +635,7 @@ static void ipu_plane_atomic_update(struct drm_plane *plane,
ipu_cpmem_set_fmt(ipu_plane->ipu_ch, fb->format->format);
ipu_cpmem_set_burstsize(ipu_plane->ipu_ch, burstsize);
ipu_cpmem_set_high_priority(ipu_plane->ipu_ch);
+ ipu_idmac_enable_watermark(ipu_plane->ipu_ch, true);
ipu_idmac_set_double_buffer(ipu_plane->ipu_ch, 1);
ipu_cpmem_set_stride(ipu_plane->ipu_ch, fb->pitches[0]);
ipu_cpmem_set_axi_id(ipu_plane->ipu_ch, axi_id);
@@ -710,7 +707,6 @@ static void ipu_plane_atomic_update(struct drm_plane *plane,
ipu_cpmem_set_buffer(ipu_plane->ipu_ch, 1, eba);
ipu_idmac_lock_enable(ipu_plane->ipu_ch, num_bursts);
ipu_plane_enable(ipu_plane);
- ipu_plane->next_buf = -1;
}
static const struct drm_plane_helper_funcs ipu_plane_helper_funcs = {
@@ -732,10 +728,15 @@ bool ipu_plane_atomic_update_pending(struct drm_plane *plane)
if (ipu_state->use_pre)
return ipu_prg_channel_configure_pending(ipu_plane->ipu_ch);
- else if (ipu_plane->next_buf >= 0)
- return ipu_idmac_get_current_buffer(ipu_plane->ipu_ch) !=
- ipu_plane->next_buf;
+ /*
+ * Pretend no update is pending in the non-PRE/PRG case. For this to
+ * happen, an atomic update would have to be deferred until after the
+ * start of the next frame and simultaneously interrupt latency would
+ * have to be high enough to let the atomic update finish and issue an
+ * event before the previous end of frame interrupt handler can be
+ * executed.
+ */
return false;
}
int ipu_planes_assign_pre(struct drm_device *dev,
diff --git a/drivers/gpu/drm/imx/ipuv3-plane.h b/drivers/gpu/drm/imx/ipuv3-plane.h
index 15e85e15d35c..ffacbcdd2f98 100644
--- a/drivers/gpu/drm/imx/ipuv3-plane.h
+++ b/drivers/gpu/drm/imx/ipuv3-plane.h
@@ -27,7 +27,6 @@ struct ipu_plane {
int dp_flow;
bool disabling;
- int next_buf;
};
struct ipu_plane *ipu_plane_init(struct drm_device *dev, struct ipu_soc *ipu,