diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c index 2233d293a707..4dfb6b55bb2e 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c @@ -239,7 +239,8 @@ static int __set_output_tf(struct dc_transfer_func *func, * instead to simulate this. */ gamma->type = GAMMA_CUSTOM; - res = mod_color_calculate_degamma_params(func, gamma, true); + res = mod_color_calculate_degamma_params(NULL, func, + gamma, true); } else { /* * Assume sRGB. The actual mapping will depend on whether the @@ -271,7 +272,7 @@ static int __set_input_tf(struct dc_transfer_func *func, __drm_lut_to_dc_gamma(lut, gamma, false); - res = mod_color_calculate_degamma_params(func, gamma, true); + res = mod_color_calculate_degamma_params(NULL, func, gamma, true); dc_gamma_release(&gamma); return res ? 0 : -ENOMEM; @@ -419,9 +420,21 @@ int amdgpu_dm_update_plane_color_mgmt(struct dm_crtc_state *crtc, struct dc_plane_state *dc_plane_state) { const struct drm_color_lut *degamma_lut; + enum dc_transfer_func_predefined tf = TRANSFER_FUNCTION_SRGB; uint32_t degamma_size; int r; + /* Get the correct base transfer function for implicit degamma. */ + switch (dc_plane_state->format) { + case SURFACE_PIXEL_FORMAT_VIDEO_420_YCbCr: + case SURFACE_PIXEL_FORMAT_VIDEO_420_YCrCb: + /* DC doesn't have a transfer function for BT601 specifically. */ + tf = TRANSFER_FUNCTION_BT709; + break; + default: + break; + } + if (crtc->cm_has_degamma) { degamma_lut = __extract_blob_lut(crtc->base.degamma_lut, °amma_size); @@ -455,8 +468,7 @@ int amdgpu_dm_update_plane_color_mgmt(struct dm_crtc_state *crtc, * map these to the atomic one instead. */ if (crtc->cm_is_degamma_srgb) - dc_plane_state->in_transfer_func->tf = - TRANSFER_FUNCTION_SRGB; + dc_plane_state->in_transfer_func->tf = tf; else dc_plane_state->in_transfer_func->tf = TRANSFER_FUNCTION_LINEAR; @@ -471,7 +483,12 @@ int amdgpu_dm_update_plane_color_mgmt(struct dm_crtc_state *crtc, * in linear space. Assume that the input is sRGB. */ dc_plane_state->in_transfer_func->type = TF_TYPE_PREDEFINED; - dc_plane_state->in_transfer_func->tf = TRANSFER_FUNCTION_SRGB; + dc_plane_state->in_transfer_func->tf = tf; + + if (tf != TRANSFER_FUNCTION_SRGB && + !mod_color_calculate_degamma_params(NULL, + dc_plane_state->in_transfer_func, NULL, false)) + return -ENOMEM; } else { /* ...Otherwise we can just bypass the DGM block. */ dc_plane_state->in_transfer_func->type = TF_TYPE_BYPASS; |