From: Alan Cox Date: Wed, 25 Apr 2012 13:37:40 +0000 (+0100) Subject: gma500: support 1080p X-Git-Tag: upstream/snapshot3+hdmi~6931^2~69 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3aad16d2ea75cd604400577e9644c9d982c0bfe6;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git gma500: support 1080p The problem in console mode is lack of linear memory. We can solve that by dropping to 16bpp. The mode setting X server will allocate its own GEM framebuffer in 32bpp and all will be well. We could just do 16bpp anyway but that would be a regression on the lower modes as many distributions don't yet ship the generic mode setting KMS drivers. Signed-off-by: Alan Cox Signed-off-by: Dave Airlie --- diff --git a/drivers/gpu/drm/gma500/cdv_intel_crt.c b/drivers/gpu/drm/gma500/cdv_intel_crt.c index a71a6cd..1de27c7 100644 --- a/drivers/gpu/drm/gma500/cdv_intel_crt.c +++ b/drivers/gpu/drm/gma500/cdv_intel_crt.c @@ -67,7 +67,6 @@ 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; @@ -84,11 +83,6 @@ 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 8d52695..88b59d4 100644 --- a/drivers/gpu/drm/gma500/cdv_intel_hdmi.c +++ b/drivers/gpu/drm/gma500/cdv_intel_hdmi.c @@ -242,8 +242,6 @@ 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; if (mode->clock < 20000) @@ -257,11 +255,6 @@ static int cdv_hdmi_mode_valid(struct drm_connector *connector, if (mode->flags & DRM_MODE_FLAG_INTERLACE) return MODE_NO_INTERLACE; - /* 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/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c index 8ea202f..c2cf6bf 100644 --- a/drivers/gpu/drm/gma500/framebuffer.c +++ b/drivers/gpu/drm/gma500/framebuffer.c @@ -543,9 +543,25 @@ static int psbfb_probe(struct drm_fb_helper *helper, struct drm_fb_helper_surface_size *sizes) { struct psb_fbdev *psb_fbdev = (struct psb_fbdev *)helper; + struct drm_device *dev = psb_fbdev->psb_fb_helper.dev; + struct drm_psb_private *dev_priv = dev->dev_private; int new_fb = 0; + int bytespp; int ret; + bytespp = sizes->surface_bpp / 8; + if (bytespp == 3) /* no 24bit packed */ + bytespp = 4; + + /* If the mode will not fit in 32bit then switch to 16bit to get + a console on full resolution. The X mode setting server will + allocate its own 32bit GEM framebuffer */ + if (ALIGN(sizes->fb_width * bytespp, 64) * sizes->fb_height > + dev_priv->vram_stolen_size) { + sizes->surface_bpp = 16; + sizes->surface_depth = 16; + } + if (!helper->fb) { ret = psbfb_create(psb_fbdev, sizes); if (ret) diff --git a/drivers/gpu/drm/gma500/oaktrail_hdmi.c b/drivers/gpu/drm/gma500/oaktrail_hdmi.c index f8b367b..2595660 100644 --- a/drivers/gpu/drm/gma500/oaktrail_hdmi.c +++ b/drivers/gpu/drm/gma500/oaktrail_hdmi.c @@ -179,7 +179,6 @@ static void oaktrail_hdmi_dpms(struct drm_encoder *encoder, int mode) 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) @@ -188,11 +187,6 @@ 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 36330ca..958b4e2 100644 --- a/drivers/gpu/drm/gma500/psb_intel_sdvo.c +++ b/drivers/gpu/drm/gma500/psb_intel_sdvo.c @@ -1141,7 +1141,6 @@ 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) @@ -1161,11 +1160,6 @@ 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; }