Merge tag 'drm-misc-next-2020-07-16' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for v5.9:

UAPI Changes:

Cross-subsystem Changes:
- Add ckoenig as dma-buf maintainer.
- Revert invalid fix for dma-fence-chain, and fix selftest.
- Add fixmes to amifb about APUS support.
- Use array3_size in fbcon_prepare_logo, and struct_size() in alloc_apertures.
- Fix leaks in neofb, fb/savage and omapfb.
- Other small fixes to fb code.
- Convert some dt bindings to schema for some panels, and fix simple-framebuffer dt example.

Core Changes:
- Add DRM_FORMAT_MOD_GENERIC_16_16_TILE as alias to DRM_FORMAT_MOD_SAMSUNG_16_16_TILE,
  as it can be used more generic.
- Add support for multiple DispID extension blocks in edid.
- Use https instead of http for some of the urls.
- Use drm_* macros for logging in mipi-dsi and fb-helper.
- Further cleanup ttm_mem_reg handling.
- Remove duplicated words in comments.

Driver Changes:
- Use __drm_atomic_helper_crtc_reset in all atomic drivers.
- Add Amlogic Video FBC support to meson and fourcc to core.
- Refactor hisilicon's hibmc_drv_vdac.
- Create a TXP CRTC for vc4.
- Rework cursor support in ast.
- Fix runtime PM in STM.
- Allow bigger cursors in vkms.
- Cleanup sg handling in radeon and amdgpu, and stop creating dummy
  gtt nodes with ttm fixed.
- Rework crtc handling in mgag200.
- Miscellaneous small fixes to meson, vgem, bridge/dw-hdmi,
  panel/auo,b116xw03, panel/LG LB070WV8, lima, bridge/sil_sii8620,
  virtio, tilcdc.

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/8b360d65-f228-9286-d247-3004156a5254@linux.intel.com

1 files changed, 3 insertions, 16 deletions

diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
index f894968d6e45..6e28f707092f 100644
--- a/drivers/gpu/drm/stm/ltdc.c
+++ b/drivers/gpu/drm/stm/ltdc.c
@@ -423,9 +423,12 @@ static void ltdc_crtc_atomic_enable(struct drm_crtc *crtc,
 				    struct drm_crtc_state *old_state)
 {
 	struct ltdc_device *ldev = crtc_to_ltdc(crtc);
+	struct drm_device *ddev = crtc->dev;
 
 	DRM_DEBUG_DRIVER("\n");
 
+	pm_runtime_get_sync(ddev->dev);
+
 	/* Sets the background color value */
 	reg_write(ldev->regs, LTDC_BCCR, BCCR_BCBLACK);
 
@@ -503,15 +506,7 @@ static bool ltdc_crtc_mode_fixup(struct drm_crtc *crtc,
 				 struct drm_display_mode *adjusted_mode)
 {
 	struct ltdc_device *ldev = crtc_to_ltdc(crtc);
-	struct drm_device *ddev = crtc->dev;
 	int rate = mode->clock * 1000;
-	bool runtime_active;
-	int ret;
-
-	runtime_active = pm_runtime_active(ddev->dev);
-
-	if (runtime_active)
-		pm_runtime_put_sync(ddev->dev);
 
 	if (clk_set_rate(ldev->pixel_clk, rate) < 0) {
 		DRM_ERROR("Cannot set rate (%dHz) for pixel clk\n", rate);
@@ -520,14 +515,6 @@ static bool ltdc_crtc_mode_fixup(struct drm_crtc *crtc,
 
 	adjusted_mode->clock = clk_get_rate(ldev->pixel_clk) / 1000;
 
-	if (runtime_active) {
-		ret = pm_runtime_get_sync(ddev->dev);
-		if (ret) {
-			DRM_ERROR("Failed to fixup mode, cannot get sync\n");
-			return false;
-		}
-	}
-
 	DRM_DEBUG_DRIVER("requested clock %dkHz, adjusted clock %dkHz\n",
 			 mode->clock, adjusted_mode->clock);