diff options
| author | Anthony Koo <Anthony.Koo@amd.com> | 2017-08-03 09:59:23 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-09-26 18:16:20 -0400 |
| commit | d66cf5f5013a4268057bcb92d301d010268ea27f (patch) | |
| tree | 3bad6df8f6eb551dacb8963036701f03f677a54d /drivers/gpu/drm/amd/display/dc | |
| parent | 665da60f23d8c6bda5431529a73be49b3b9d97cb (diff) | |
drm/amd/display: implement DXGI Gamma Ramps
Support for gamma correction ramp in Floating Point format
Signed-off-by: Anthony Koo <anthony.koo@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>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_hw_types.h | 21 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_ipp.c | 14 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn10/dcn10_ipp.c | 11 |
3 files changed, 33 insertions, 13 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc_hw_types.h b/drivers/gpu/drm/amd/display/dc/dc_hw_types.h index 778bd5555c7ad..8d1504668ec72 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_hw_types.h +++ b/drivers/gpu/drm/amd/display/dc/dc_hw_types.h @@ -409,20 +409,31 @@ struct dc_cursor_mi_param { /* IPP related types */ enum { - INPUT_LUT_ENTRIES = 256 + GAMMA_RGB_256_ENTRIES = 256, + GAMMA_RGB_FLOAT_1024_ENTRIES = 1024, + GAMMA_MAX_ENTRIES = 1024 +}; + +enum dc_gamma_type { + GAMMA_RGB_256 = 1, + GAMMA_RGB_FLOAT_1024 = 2 }; struct dc_gamma { - uint16_t red[INPUT_LUT_ENTRIES]; - uint16_t green[INPUT_LUT_ENTRIES]; - uint16_t blue[INPUT_LUT_ENTRIES]; + enum dc_gamma_type type; + unsigned int num_entries; + + struct dc_gamma_entries { + struct fixed31_32 red[GAMMA_MAX_ENTRIES]; + struct fixed31_32 green[GAMMA_MAX_ENTRIES]; + struct fixed31_32 blue[GAMMA_MAX_ENTRIES]; + } entries; /* private to DC core */ struct dc_context *ctx; /* private to dc_surface.c */ int ref_count; - }; /* Used by both ipp amd opp functions*/ diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_ipp.c b/drivers/gpu/drm/amd/display/dc/dce/dce_ipp.c index 9e8f0a3593a2d..e010cf10d605e 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_ipp.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_ipp.c @@ -193,10 +193,16 @@ static void dce_ipp_program_input_lut( REG_SET(DC_LUT_RW_INDEX, 0, DC_LUT_RW_INDEX, 0); - for (i = 0; i < INPUT_LUT_ENTRIES; i++) { - REG_SET(DC_LUT_SEQ_COLOR, 0, DC_LUT_SEQ_COLOR, gamma->red[i]); - REG_SET(DC_LUT_SEQ_COLOR, 0, DC_LUT_SEQ_COLOR, gamma->green[i]); - REG_SET(DC_LUT_SEQ_COLOR, 0, DC_LUT_SEQ_COLOR, gamma->blue[i]); + for (i = 0; i < gamma->num_entries; i++) { + REG_SET(DC_LUT_SEQ_COLOR, 0, DC_LUT_SEQ_COLOR, + dal_fixed31_32_round( + gamma->entries.red[i])); + REG_SET(DC_LUT_SEQ_COLOR, 0, DC_LUT_SEQ_COLOR, + dal_fixed31_32_round( + gamma->entries.green[i])); + REG_SET(DC_LUT_SEQ_COLOR, 0, DC_LUT_SEQ_COLOR, + dal_fixed31_32_round( + gamma->entries.blue[i])); } /* power off LUT memory */ diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_ipp.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_ipp.c index ee12f671d8ea2..8ee8305221484 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_ipp.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_ipp.c @@ -910,13 +910,16 @@ static void ippn10_program_input_lut( CM_IGAM_LUT_FORMAT_B, 3); // Start at index 0 of IGAM LUT REG_UPDATE(CM_IGAM_LUT_RW_INDEX, CM_IGAM_LUT_RW_INDEX, 0); - for (i = 0; i < INPUT_LUT_ENTRIES; i++) { + for (i = 0; i < gamma->num_entries; i++) { REG_SET(CM_IGAM_LUT_SEQ_COLOR, 0, CM_IGAM_LUT_SEQ_COLOR, - gamma->red[i]); + dal_fixed31_32_round( + gamma->entries.red[i])); REG_SET(CM_IGAM_LUT_SEQ_COLOR, 0, CM_IGAM_LUT_SEQ_COLOR, - gamma->green[i]); + dal_fixed31_32_round( + gamma->entries.green[i])); REG_SET(CM_IGAM_LUT_SEQ_COLOR, 0, CM_IGAM_LUT_SEQ_COLOR, - gamma->blue[i]); + dal_fixed31_32_round( + gamma->entries.blue[i])); } // Power off LUT memory REG_SET(CM_MEM_PWR_CTRL, 0, SHARED_MEM_PWR_DIS, 0); |