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drm/amd/display: Refactor use_lut() from dce110 to dce

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use_lut() checks if the input surface's pixel format is compatible with
a 256 entry LUT. This function can be used across different versions and
not just dce11.

Signed-off-by: Leo (Sunpeng) Li <sunpeng.li@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Leo (Sunpeng) Li
2017-05-16 13:52:28 -04:00
committed by Alex Deucher
parent afc8935ef0
commit 98489c026e
3 changed files with 16 additions and 15 deletions
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12
drivers/gpu/drm/amd/display/dc/dce/dce_hwseq.c
View File

@@ -191,3 +191,15 @@ void dce_crtc_switch_to_clk_src(struct dce_hwseq *hws,
clk_src->id, tg_inst);
}
}
/* Only use LUT for 8 bit formats */
bool dce_use_lut(const struct core_surface *surface)
{
switch (surface->public.format) {
case SURFACE_PIXEL_FORMAT_GRPH_ARGB8888:
case SURFACE_PIXEL_FORMAT_GRPH_ABGR8888:
return true;
default:
return false;
}
}

2
drivers/gpu/drm/amd/display/dc/dce/dce_hwseq.h
View File

@@ -256,4 +256,6 @@ void dce_clock_gating_power_up(struct dce_hwseq *hws,
void dce_crtc_switch_to_clk_src(struct dce_hwseq *hws,
struct clock_source *clk_src,
unsigned int tg_inst);
bool dce_use_lut(const struct core_surface *surface);
#endif /*__DCE_HWSEQ_H__*/

17
drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
View File

@@ -28,10 +28,10 @@
#include "core_types.h"
#include "core_status.h"
#include "resource.h"
#include "hw_sequencer.h"
#include "dm_helpers.h"
#include "dce110_hw_sequencer.h"
#include "dce110_timing_generator.h"
#include "dce/dce_hwseq.h"
#include "bios/bios_parser_helper.h"
#include "timing_generator.h"
@@ -233,19 +233,6 @@ static void build_prescale_params(struct ipp_prescale_params *prescale_params,
}
}
/* Only use LUT for 8 bit formats */
static bool use_lut(const struct core_surface *surface)
{
switch (surface->public.format) {
case SURFACE_PIXEL_FORMAT_GRPH_ARGB8888:
case SURFACE_PIXEL_FORMAT_GRPH_ABGR8888:
return true;
default:
return false;
}
}
static bool dce110_set_input_transfer_func(
struct pipe_ctx *pipe_ctx,
const struct core_surface *surface)
@@ -264,7 +251,7 @@ static bool dce110_set_input_transfer_func(
build_prescale_params(&prescale_params, surface);
ipp->funcs->ipp_program_prescale(ipp, &prescale_params);
if (surface->public.gamma_correction && use_lut(surface))
if (surface->public.gamma_correction && dce_use_lut(surface))
ipp->funcs->ipp_program_input_lut(ipp, surface->public.gamma_correction);
if (tf == NULL) {