Merge drm/drm-next into drm-misc-next

drm-next has been forwarded to 5.0-rc1, and we need it to apply the damage
helper for dirtyfb series from Noralf Trønnes.

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>

1 files changed, 16 insertions, 12 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c
index 7d1f66797cb3..7c138615f17d 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c
@@ -335,9 +335,8 @@ void optc1_program_timing(
 	/* Enable stereo - only when we need to pack 3D frame. Other types
 	 * of stereo handled in explicit call
 	 */
-	h_div_2 = (dc_crtc_timing->pixel_encoding == PIXEL_ENCODING_YCBCR420) ?
-			1 : 0;
 
+	h_div_2 = optc1_is_two_pixels_per_containter(&patched_crtc_timing);
 	REG_UPDATE(OTG_H_TIMING_CNTL,
 			OTG_H_TIMING_DIV_BY2, h_div_2);
 
@@ -360,20 +359,19 @@ void optc1_set_blank_data_double_buffer(struct timing_generator *optc, bool enab
 static void optc1_unblank_crtc(struct timing_generator *optc)
 {
 	struct optc *optc1 = DCN10TG_FROM_TG(optc);
-	uint32_t vertical_interrupt_enable = 0;
-
-	REG_GET(OTG_VERTICAL_INTERRUPT2_CONTROL,
-			OTG_VERTICAL_INTERRUPT2_INT_ENABLE, &vertical_interrupt_enable);
-
-	/* temporary work around for vertical interrupt, once vertical interrupt enabled,
-	 * this check will be removed.
-	 */
-	if (vertical_interrupt_enable)
-		optc1_set_blank_data_double_buffer(optc, true);
 
 	REG_UPDATE_2(OTG_BLANK_CONTROL,
 			OTG_BLANK_DATA_EN, 0,
 			OTG_BLANK_DE_MODE, 0);
+
+	/* W/A for automated testing
+	 * Automated testing will fail underflow test as there
+	 * sporadic underflows which occur during the optc blank
+	 * sequence.  As a w/a, clear underflow on unblank.
+	 * This prevents the failure, but will not mask actual
+	 * underflow that affect real use cases.
+	 */
+	optc1_clear_optc_underflow(optc);
 }
 
 /**
@@ -1422,3 +1420,9 @@ void dcn10_timing_generator_init(struct optc *optc1)
 	optc1->min_h_sync_width = 8;
 	optc1->min_v_sync_width = 1;
 }
+
+bool optc1_is_two_pixels_per_containter(const struct dc_crtc_timing *timing)
+{
+	return timing->pixel_encoding == PIXEL_ENCODING_YCBCR420;
+}
+