From: SivapiriyanKumarasamy <sivapiriyan.kumaras...@amd.com>
Force the E2 to dc_fixpt_one when E1 exceeds that value. This is the
correct thing to do to avoid corruption.
Signed-off-by: SivapiriyanKumarasamy <sivapiriyan.kumaras...@amd.com>
Reviewed-by: Krunoslav Kovac <krunoslav.ko...@amd.com>
Acked-by: Bhawanpreet Lakha <bhawanpreet.la...@amd.com>
---
drivers/gpu/drm/amd/display/modules/color/color_gamma.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
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 2e215c9e5445..bba518684243 100644
--- a/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
+++ b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
@@ -789,7 +789,8 @@ static void hermite_spline_eetf(struct fixed31_32 input_x,
// (t^3 - 2t^2 + t) * (1-ks)
E2 = dc_fixpt_add(E2, dc_fixpt_mul(temp2,
dc_fixpt_add(t, dc_fixpt_sub(t3, temp1))));
- }
+ } else
+ E2 = dc_fixpt_one;
temp1 = dc_fixpt_sub(dc_fixpt_one, E2);
temp2 = dc_fixpt_mul(temp1, temp1);
--
2.14.1
_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
