diff options
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/gma500/cdv_intel_crt.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/gma500/cdv_intel_hdmi.c | 14 | ||||
| -rw-r--r-- | drivers/gpu/drm/gma500/oaktrail_hdmi.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/gma500/psb_intel_sdvo.c | 6 |
4 files changed, 24 insertions, 8 deletions
diff --git a/drivers/gpu/drm/gma500/cdv_intel_crt.c b/drivers/gpu/drm/gma500/cdv_intel_crt.c index 6d0f10b7569c..c100f3e9c920 100644 --- a/drivers/gpu/drm/gma500/cdv_intel_crt.c +++ b/drivers/gpu/drm/gma500/cdv_intel_crt.c @@ -66,6 +66,7 @@ static void cdv_intel_crt_dpms(struct drm_encoder *encoder, int mode) static int cdv_intel_crt_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { + struct drm_psb_private *dev_priv = connector->dev->dev_private; int max_clock = 0; if (mode->flags & DRM_MODE_FLAG_DBLSCAN) return MODE_NO_DBLESCAN; @@ -82,6 +83,11 @@ static int cdv_intel_crt_mode_valid(struct drm_connector *connector, if (mode->hdisplay > 1680 || mode->vdisplay > 1050) return MODE_PANEL; + /* We assume worst case scenario of 32 bpp here, since we don't know */ + if ((ALIGN(mode->hdisplay * 4, 64) * mode->vdisplay) > + dev_priv->vram_stolen_size) + return MODE_MEM; + return MODE_OK; } diff --git a/drivers/gpu/drm/gma500/cdv_intel_hdmi.c b/drivers/gpu/drm/gma500/cdv_intel_hdmi.c index 50d7cfb51662..de25560e629d 100644 --- a/drivers/gpu/drm/gma500/cdv_intel_hdmi.c +++ b/drivers/gpu/drm/gma500/cdv_intel_hdmi.c @@ -241,6 +241,7 @@ static int cdv_hdmi_get_modes(struct drm_connector *connector) static int cdv_hdmi_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { + struct drm_psb_private *dev_priv = connector->dev->dev_private; if (mode->clock > 165000) return MODE_CLOCK_HIGH; @@ -255,14 +256,11 @@ static int cdv_hdmi_mode_valid(struct drm_connector *connector, if (mode->flags & DRM_MODE_FLAG_INTERLACE) return MODE_NO_INTERLACE; - /* - * FIXME: for now we limit the size to 1680x1050 on CDV, otherwise it - * will go beyond the stolen memory size allocated to the framebuffer - */ - if (mode->hdisplay > 1680) - return MODE_PANEL; - if (mode->vdisplay > 1050) - return MODE_PANEL; + /* We assume worst case scenario of 32 bpp here, since we don't know */ + if ((ALIGN(mode->hdisplay * 4, 64) * mode->vdisplay) > + dev_priv->vram_stolen_size) + return MODE_MEM; + return MODE_OK; } diff --git a/drivers/gpu/drm/gma500/oaktrail_hdmi.c b/drivers/gpu/drm/gma500/oaktrail_hdmi.c index 36878a60080d..025d30970cc0 100644 --- a/drivers/gpu/drm/gma500/oaktrail_hdmi.c +++ b/drivers/gpu/drm/gma500/oaktrail_hdmi.c @@ -506,6 +506,7 @@ int oaktrail_crtc_hdmi_mode_set(struct drm_crtc *crtc, static int oaktrail_hdmi_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { + struct drm_psb_private *dev_priv = connector->dev->dev_private; if (mode->clock > 165000) return MODE_CLOCK_HIGH; if (mode->clock < 20000) @@ -514,6 +515,11 @@ static int oaktrail_hdmi_mode_valid(struct drm_connector *connector, if (mode->flags & DRM_MODE_FLAG_DBLSCAN) return MODE_NO_DBLESCAN; + /* We assume worst case scenario of 32 bpp here, since we don't know */ + if ((ALIGN(mode->hdisplay * 4, 64) * mode->vdisplay) > + dev_priv->vram_stolen_size) + return MODE_MEM; + return MODE_OK; } diff --git a/drivers/gpu/drm/gma500/psb_intel_sdvo.c b/drivers/gpu/drm/gma500/psb_intel_sdvo.c index 4882b29119e0..88b42971c0fd 100644 --- a/drivers/gpu/drm/gma500/psb_intel_sdvo.c +++ b/drivers/gpu/drm/gma500/psb_intel_sdvo.c @@ -1141,6 +1141,7 @@ static void psb_intel_sdvo_dpms(struct drm_encoder *encoder, int mode) static int psb_intel_sdvo_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { + struct drm_psb_private *dev_priv = connector->dev->dev_private; struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector); if (mode->flags & DRM_MODE_FLAG_DBLSCAN) @@ -1160,6 +1161,11 @@ static int psb_intel_sdvo_mode_valid(struct drm_connector *connector, return MODE_PANEL; } + /* We assume worst case scenario of 32 bpp here, since we don't know */ + if ((ALIGN(mode->hdisplay * 4, 64) * mode->vdisplay) > + dev_priv->vram_stolen_size) + return MODE_MEM; + return MODE_OK; } |