diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn10')
3 files changed, 17 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.c index 7a00fe525dfb..3538973bd0c6 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.c @@ -308,7 +308,10 @@ bool cm_helper_convert_to_custom_float( #define NUMBER_REGIONS 32 #define NUMBER_SW_SEGMENTS 16 -bool cm_helper_translate_curve_to_hw_format( +#define DC_LOGGER \ + ctx->logger + +bool cm_helper_translate_curve_to_hw_format(struct dc_context *ctx, const struct dc_transfer_func *output_tf, struct pwl_params *lut_params, bool fixpoint) { @@ -482,10 +485,18 @@ bool cm_helper_translate_curve_to_hw_format( rgb->delta_green = dc_fixpt_sub(rgb_plus_1->green, rgb->green); rgb->delta_blue = dc_fixpt_sub(rgb_plus_1->blue, rgb->blue); + if (fixpoint == true) { - rgb->delta_red_reg = dc_fixpt_clamp_u0d10(rgb->delta_red); - rgb->delta_green_reg = dc_fixpt_clamp_u0d10(rgb->delta_green); - rgb->delta_blue_reg = dc_fixpt_clamp_u0d10(rgb->delta_blue); + uint32_t red_clamp = dc_fixpt_clamp_u0d14(rgb->delta_red); + uint32_t green_clamp = dc_fixpt_clamp_u0d14(rgb->delta_green); + uint32_t blue_clamp = dc_fixpt_clamp_u0d14(rgb->delta_blue); + + if (red_clamp >> 10 || green_clamp >> 10 || blue_clamp >> 10) + DC_LOG_WARNING("Losing delta precision while programming shaper LUT."); + + rgb->delta_red_reg = red_clamp & 0x3ff; + rgb->delta_green_reg = green_clamp & 0x3ff; + rgb->delta_blue_reg = blue_clamp & 0x3ff; rgb->red_reg = dc_fixpt_clamp_u0d14(rgb->red); rgb->green_reg = dc_fixpt_clamp_u0d14(rgb->green); rgb->blue_reg = dc_fixpt_clamp_u0d14(rgb->blue); diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.h b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.h index 3b8cd7410498..0a68b63d6126 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.h +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.h @@ -106,6 +106,7 @@ bool cm_helper_convert_to_custom_float( bool fixpoint); bool cm_helper_translate_curve_to_hw_format( + struct dc_context *ctx, const struct dc_transfer_func *output_tf, struct pwl_params *lut_params, bool fixpoint); diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c index 20a1582be0b1..a50309039d08 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c @@ -1843,7 +1843,7 @@ bool dcn10_set_output_transfer_func(struct dc *dc, struct pipe_ctx *pipe_ctx, /* dcn10_translate_regamma_to_hw_format takes 750us, only do it when full * update. */ - else if (cm_helper_translate_curve_to_hw_format( + else if (cm_helper_translate_curve_to_hw_format(dc->ctx, stream->out_transfer_func, &dpp->regamma_params, false)) { dpp->funcs->dpp_program_regamma_pwl( |