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radeon_ms: check for NULL fb

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This commit is contained in:
Jerome Glisse 2008-04-06 19:01:31 +02:00
parent dfc8d2b2fe
commit 91bfd69745
1 changed files with 6 additions and 1 deletions
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7
shared-core/radeon_ms_crtc.c
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@ -537,6 +537,10 @@ static void radeon_ms_crtc1_mode_set(struct drm_crtc *crtc,
adjusted_mode->hsync_end, adjusted_mode->htotal,
adjusted_mode->vdisplay, adjusted_mode->vsync_start,
adjusted_mode->vsync_end, adjusted_mode->vtotal, adjusted_mode->type);
if (crtc->fb == NULL) {
DRM_INFO("[radeon_ms] no FB bound\n");
return;
}
/* only support RGB555,RGB565,ARGB8888 should satisfy all users */
switch (crtc->fb->bits_per_pixel) {
@ -551,7 +555,7 @@ static void radeon_ms_crtc1_mode_set(struct drm_crtc *crtc,
format = 6;
break;
default:
DRM_ERROR("Unknown color depth\n");
DRM_ERROR("Unknown color depth %d\n", crtc->fb->bits_per_pixel);
return;
}
radeon_pll1_compute(crtc, adjusted_mode);
@ -665,6 +669,7 @@ static void radeon_ms_crtc_gamma_set(struct drm_crtc *crtc, u16 r,
if (regno >= 256) {
return;
}
DRM_INFO("[radeon_ms] gamma[%d]=(%d, %d, %d)\n", regno, r, g, b);
switch(radeon_ms_crtc->crtc) {
case 1:
state->dac_cntl2 &= ~DAC_CNTL2__PALETTE_ACCESS_CNTL;