summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/stm/ltdc.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/stm/ltdc.c')
-rw-r--r--drivers/gpu/drm/stm/ltdc.c24
1 files changed, 18 insertions, 6 deletions
diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
index 5b51298921cf..c2815e8ae1da 100644
--- a/drivers/gpu/drm/stm/ltdc.c
+++ b/drivers/gpu/drm/stm/ltdc.c
@@ -437,9 +437,6 @@ static void ltdc_crtc_atomic_enable(struct drm_crtc *crtc,
/* Commit shadow registers = update planes at next vblank */
reg_set(ldev->regs, LTDC_SRCR, SRCR_VBR);
- /* Enable LTDC */
- reg_set(ldev->regs, LTDC_GCR, GCR_LTDCEN);
-
drm_crtc_vblank_on(crtc);
}
@@ -453,9 +450,6 @@ static void ltdc_crtc_atomic_disable(struct drm_crtc *crtc,
drm_crtc_vblank_off(crtc);
- /* disable LTDC */
- reg_clear(ldev->regs, LTDC_GCR, GCR_LTDCEN);
-
/* disable IRQ */
reg_clear(ldev->regs, LTDC_IER, IER_RRIE | IER_FUIE | IER_TERRIE);
@@ -1044,9 +1038,13 @@ static const struct drm_encoder_funcs ltdc_encoder_funcs = {
static void ltdc_encoder_disable(struct drm_encoder *encoder)
{
struct drm_device *ddev = encoder->dev;
+ struct ltdc_device *ldev = ddev->dev_private;
DRM_DEBUG_DRIVER("\n");
+ /* Disable LTDC */
+ reg_clear(ldev->regs, LTDC_GCR, GCR_LTDCEN);
+
/* Set to sleep state the pinctrl whatever type of encoder */
pinctrl_pm_select_sleep_state(ddev->dev);
}
@@ -1054,6 +1052,19 @@ static void ltdc_encoder_disable(struct drm_encoder *encoder)
static void ltdc_encoder_enable(struct drm_encoder *encoder)
{
struct drm_device *ddev = encoder->dev;
+ struct ltdc_device *ldev = ddev->dev_private;
+
+ DRM_DEBUG_DRIVER("\n");
+
+ /* Enable LTDC */
+ reg_set(ldev->regs, LTDC_GCR, GCR_LTDCEN);
+}
+
+static void ltdc_encoder_mode_set(struct drm_encoder *encoder,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ struct drm_device *ddev = encoder->dev;
DRM_DEBUG_DRIVER("\n");
@@ -1069,6 +1080,7 @@ static void ltdc_encoder_enable(struct drm_encoder *encoder)
static const struct drm_encoder_helper_funcs ltdc_encoder_helper_funcs = {
.disable = ltdc_encoder_disable,
.enable = ltdc_encoder_enable,
+ .mode_set = ltdc_encoder_mode_set,
};
static int ltdc_encoder_init(struct drm_device *ddev, struct drm_bridge *bridge)