diff options
| -rw-r--r-- | src/drmmode_display.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/drmmode_display.c b/src/drmmode_display.c index b1c874c7..21cc3c90 100644 --- a/src/drmmode_display.c +++ b/src/drmmode_display.c @@ -2544,6 +2544,12 @@ Bool drmmode_pre_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode, int cpp) info->drmmode_crtc_funcs.shadow_destroy = NULL; } + /* Hw gamma lut's are currently bypassed by the hw at color depth 30, + * so spare the server the effort to compute and update the cluts. + */ + if (pScrn->depth == 30) + info->drmmode_crtc_funcs.gamma_set = NULL; + drmmode->count_crtcs = mode_res->count_crtcs; xf86CrtcSetSizeRange(pScrn, 320, 200, mode_res->max_width, mode_res->max_height); @@ -2787,8 +2793,10 @@ Bool drmmode_setup_colormap(ScreenPtr pScreen, ScrnInfoPtr pScrn) "Initializing kms color map\n"); if (!miCreateDefColormap(pScreen)) return FALSE; - /* all radeons support 10 bit CLUTs */ - if (!xf86HandleColormaps(pScreen, 256, 10, + + /* All radeons support 10 bit CLUTs. They get bypassed at depth 30. */ + if (pScrn->depth != 30 && + !xf86HandleColormaps(pScreen, 256, 10, NULL, NULL, CMAP_PALETTED_TRUECOLOR #if 0 /* This option messes up text mode! (eich@suse.de) */ |