From: Hugo Hu <[email protected]> We can’t use hardcoded SRGB ROM for output TF if we have GAMMA_CS_TFM_1D (unless we know 1D LUT is identity), so we never want to return here early. We apply the LUT part of ColorTransform3x4 only in apply_lut_1d() which is called near the end of that function.
Signed-off-by: Hugo Hu <[email protected]> Reviewed-by: Krunoslav Kovac <[email protected]> Acked-by: Leo Li <[email protected]> --- 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 8601d37..369a890 100644 --- a/drivers/gpu/drm/amd/display/modules/color/color_gamma.c +++ b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c @@ -1569,7 +1569,8 @@ bool mod_color_calculate_regamma_params(struct dc_transfer_func *output_tf, output_tf->tf == TRANSFER_FUNCTION_SRGB) { if (ramp == NULL) return true; - if (ramp->is_identity || (!mapUserRamp && ramp->type == GAMMA_RGB_256)) + if ((ramp->is_identity && ramp->type != GAMMA_CS_TFM_1D) || + (!mapUserRamp && ramp->type == GAMMA_RGB_256)) return true; } -- 2.7.4 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
