diff options
Diffstat (limited to 'drivers/gpu/drm/ast')
| -rw-r--r-- | drivers/gpu/drm/ast/ast_mode.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c index 834a156e3a75..0a1e1cf57e19 100644 --- a/drivers/gpu/drm/ast/ast_mode.c +++ b/drivers/gpu/drm/ast/ast_mode.c @@ -742,7 +742,6 @@ static void ast_crtc_dpms(struct drm_crtc *crtc, int mode) case DRM_MODE_DPMS_SUSPEND: if (ast->tx_chip_type == AST_TX_DP501) ast_set_dp501_video_output(crtc->dev, 1); - ast_crtc_load_lut(ast, crtc); break; case DRM_MODE_DPMS_OFF: if (ast->tx_chip_type == AST_TX_DP501) @@ -778,6 +777,21 @@ static int ast_crtc_helper_atomic_check(struct drm_crtc *crtc, } static void +ast_crtc_helper_atomic_flush(struct drm_crtc *crtc, struct drm_crtc_state *old_crtc_state) +{ + struct ast_private *ast = to_ast_private(crtc->dev); + struct ast_crtc_state *ast_crtc_state = to_ast_crtc_state(crtc->state); + struct ast_crtc_state *old_ast_crtc_state = to_ast_crtc_state(old_crtc_state); + + /* + * The gamma LUT has to be reloaded after changing the primary + * plane's color format. + */ + if (old_ast_crtc_state->format != ast_crtc_state->format) + ast_crtc_load_lut(ast, crtc); +} + +static void ast_crtc_helper_atomic_enable(struct drm_crtc *crtc, struct drm_crtc_state *old_crtc_state) { @@ -830,6 +844,7 @@ ast_crtc_helper_atomic_disable(struct drm_crtc *crtc, static const struct drm_crtc_helper_funcs ast_crtc_helper_funcs = { .atomic_check = ast_crtc_helper_atomic_check, + .atomic_flush = ast_crtc_helper_atomic_flush, .atomic_enable = ast_crtc_helper_atomic_enable, .atomic_disable = ast_crtc_helper_atomic_disable, }; |