diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/drm_atomic_helper.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/drm_color_mgmt.c | 9 |
2 files changed, 8 insertions, 4 deletions
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 8be9719284b0..cfeda5f2883b 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -3517,7 +3517,8 @@ EXPORT_SYMBOL(drm_atomic_helper_connector_destroy_state); * * Implements support for legacy gamma correction table for drivers * that support color management through the DEGAMMA_LUT/GAMMA_LUT - * properties. + * properties. See drm_crtc_enable_color_mgmt() and the containing chapter for + * how the atomic color management and gamma tables work. */ int drm_atomic_helper_legacy_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, u16 *blue, diff --git a/drivers/gpu/drm/drm_color_mgmt.c b/drivers/gpu/drm/drm_color_mgmt.c index 533f3a3e6877..3eda500fc005 100644 --- a/drivers/gpu/drm/drm_color_mgmt.c +++ b/drivers/gpu/drm/drm_color_mgmt.c @@ -43,7 +43,8 @@ * * Setting this to NULL (blob property value set to 0) means a * linear/pass-thru gamma table should be used. This is generally the - * driver boot-up state too. + * driver boot-up state too. Drivers can access this blob through + * &drm_crtc_state.degamma_lut. * * “DEGAMMA_LUT_SIZE”: * Unsinged range property to give the size of the lookup table to be set @@ -60,7 +61,8 @@ * * Setting this to NULL (blob property value set to 0) means a * unit/pass-thru matrix should be used. This is generally the driver - * boot-up state too. + * boot-up state too. Drivers can access the blob for the color conversion + * matrix through &drm_crtc_state.ctm. * * “GAMMA_LUT”: * Blob property to set the gamma lookup table (LUT) mapping pixel data @@ -72,7 +74,8 @@ * * Setting this to NULL (blob property value set to 0) means a * linear/pass-thru gamma table should be used. This is generally the - * driver boot-up state too. + * driver boot-up state too. Drivers can access this blob through + * &drm_crtc_state.gamma_lut. * * “GAMMA_LUT_SIZE”: * Unsigned range property to give the size of the lookup table to be set |