drm/msm/sde: add restore functionality after idle power collapse
During the idle_PC state all the registers are wiped out as
all the resources are disabled. The CRTC registers for the
MDP core clock enable event and restores all the register
configurations in CRTC, encoder and planes.
Change-Id: I48895899f3a0491f4dc0ad5cec66fc7c7c47da7f
Signed-off-by: Veera Sundaram Sankaran <veeras@codeaurora.org>
diff --git a/drivers/gpu/drm/msm/sde/sde_plane.c b/drivers/gpu/drm/msm/sde/sde_plane.c
index 93268be..c408861 100644
--- a/drivers/gpu/drm/msm/sde/sde_plane.c
+++ b/drivers/gpu/drm/msm/sde/sde_plane.c
@@ -75,12 +75,6 @@
#define TX_MODE_BUFFER_LINE_THRES 2
-/* dirty bits for update function */
-#define SDE_PLANE_DIRTY_RECTS 0x1
-#define SDE_PLANE_DIRTY_FORMAT 0x2
-#define SDE_PLANE_DIRTY_SHARPEN 0x4
-#define SDE_PLANE_DIRTY_ALL 0xFFFFFFFF
-
#define SDE_QSEED3_DEFAULT_PRELOAD_H 0x4
#define SDE_QSEED3_DEFAULT_PRELOAD_V 0x3
@@ -107,7 +101,8 @@
* @csc_ptr: Points to sde_csc_cfg structure to use for current
* @catalog: Points to sde catalog structure
* @sbuf_mode: force stream buffer mode if set
- * @sbuf_writeback: fource stream buffer writeback if set
+ * @sbuf_writeback: force stream buffer writeback if set
+ * @revalidate: force revalidation of all the plane properties
* @blob_rot_caps: Pointer to rotator capability blob
*/
struct sde_plane {
@@ -134,6 +129,7 @@
struct sde_mdss_cfg *catalog;
u32 sbuf_mode;
u32 sbuf_writeback;
+ bool revalidate;
struct sde_hw_pixel_ext pixel_ext;
bool pixel_ext_usr;
@@ -499,6 +495,17 @@
&psde->pipe_qos_cfg);
}
+void sde_plane_set_revalidate(struct drm_plane *plane, bool enable)
+{
+ struct sde_plane *psde;
+
+ if (!plane)
+ return;
+
+ psde = to_sde_plane(plane);
+ psde->revalidate = enable;
+}
+
int sde_plane_danger_signal_ctrl(struct drm_plane *plane, bool enable)
{
struct sde_plane *psde;
@@ -2250,6 +2257,14 @@
state->crtc_w, state->crtc_h,
state->crtc_x, state->crtc_y);
+ /* force reprogramming of all the parameters, if the flag is set */
+ if (psde->revalidate) {
+ SDE_DEBUG("plane:%d - reconfigure all the parameters\n",
+ plane->base.id);
+ pstate->dirty = SDE_PLANE_DIRTY_ALL;
+ psde->revalidate = false;
+ }
+
/* determine what needs to be refreshed */
while ((idx = msm_property_pop_dirty(&psde->property_info)) >= 0) {
switch (idx) {