From: SivapiriyanKumarasamy <sivapiriyan.kumarasamy@xxxxxxx> 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.kumarasamy@xxxxxxx> Reviewed-by: Krunoslav Kovac <Krunoslav.Kovac@xxxxxxx> Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@xxxxxxx> --- 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@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx
