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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 03:21:38 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 03:21:38 +0000
commit9351405e44641037ccff29c0d88d92c0617b5088 (patch)
treedfee90e28394ae31df1033696f8656add6c4fc26 /drivers/gpu/drm/amd/display
parentReleasing progress-linux version 4.19.249-2progress5u1. (diff)
downloadlinux-9351405e44641037ccff29c0d88d92c0617b5088.tar.xz
linux-9351405e44641037ccff29c0d88d92c0617b5088.zip
Merging upstream version 4.19.260.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/amd/display')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c5
-rw-r--r--drivers/gpu/drm/amd/display/modules/color/color_gamma.c4
2 files changed, 9 insertions, 0 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 411f89218..cb5c44b33 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c
@@ -452,6 +452,11 @@ void optc1_enable_optc_clock(struct timing_generator *optc, bool enable)
OTG_CLOCK_ON, 1,
1, 1000);
} else {
+
+ //last chance to clear underflow, otherwise, it will always there due to clock is off.
+ if (optc->funcs->is_optc_underflow_occurred(optc) == true)
+ optc->funcs->clear_optc_underflow(optc);
+
REG_UPDATE_2(OTG_CLOCK_CONTROL,
OTG_CLOCK_GATE_DIS, 0,
OTG_CLOCK_EN, 0);
diff --git a/drivers/gpu/drm/amd/display/modules/color/color_gamma.c b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
index 11ea1a0e6..4e866317e 100644
--- a/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
+++ b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
@@ -1206,6 +1206,7 @@ static void interpolate_user_regamma(uint32_t hw_points_num,
struct fixed31_32 lut2;
struct fixed31_32 delta_lut;
struct fixed31_32 delta_index;
+ const struct fixed31_32 one = dc_fixpt_from_int(1);
i = 0;
/* fixed_pt library has problems handling too small values */
@@ -1234,6 +1235,9 @@ static void interpolate_user_regamma(uint32_t hw_points_num,
} else
hw_x = coordinates_x[i].x;
+ if (dc_fixpt_le(one, hw_x))
+ hw_x = one;
+
norm_x = dc_fixpt_mul(norm_factor, hw_x);
index = dc_fixpt_floor(norm_x);
if (index < 0 || index > 255)