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authorMaxime Ripard <maxime.ripard@free-electrons.com>2013-04-08 21:36:54 +0200
committerMaxime Ripard <maxime.ripard@free-electrons.com>2013-04-08 21:36:54 +0200
commit0b824f8dad9fdfc7c1bf9c1d3ac744075eb73ec6 (patch)
tree7559859702f2fa02f6a4db64cf10f6c2e3f80c21 /drivers/gpu/drm/mgag200
parent6dbe51c251a327e012439c4772097a13df43c5b8 (diff)
parent3d5a96582303e28c48699f3faaf920ef7d43e6f2 (diff)
downloadolio-linux-3.10-0b824f8dad9fdfc7c1bf9c1d3ac744075eb73ec6.tar.xz
olio-linux-3.10-0b824f8dad9fdfc7c1bf9c1d3ac744075eb73ec6.zip
Merge remote-tracking branch 'arm-soc/clksrc/cleanup' into sunxi/core-for-3.10
Diffstat (limited to 'drivers/gpu/drm/mgag200')
-rw-r--r--drivers/gpu/drm/mgag200/mgag200_drv.h1
-rw-r--r--drivers/gpu/drm/mgag200/mgag200_i2c.c1
-rw-r--r--drivers/gpu/drm/mgag200/mgag200_mode.c27
3 files changed, 28 insertions, 1 deletions
diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.h b/drivers/gpu/drm/mgag200/mgag200_drv.h
index 5ea5033eae0..4d932c46725 100644
--- a/drivers/gpu/drm/mgag200/mgag200_drv.h
+++ b/drivers/gpu/drm/mgag200/mgag200_drv.h
@@ -112,7 +112,6 @@ struct mga_framebuffer {
struct mga_fbdev {
struct drm_fb_helper helper;
struct mga_framebuffer mfb;
- struct list_head fbdev_list;
void *sysram;
int size;
struct ttm_bo_kmap_obj mapping;
diff --git a/drivers/gpu/drm/mgag200/mgag200_i2c.c b/drivers/gpu/drm/mgag200/mgag200_i2c.c
index 5a88ec51b51..d3dcf54e623 100644
--- a/drivers/gpu/drm/mgag200/mgag200_i2c.c
+++ b/drivers/gpu/drm/mgag200/mgag200_i2c.c
@@ -92,6 +92,7 @@ struct mga_i2c_chan *mgag200_i2c_create(struct drm_device *dev)
int ret;
int data, clock;
+ WREG_DAC(MGA1064_GEN_IO_CTL2, 1);
WREG_DAC(MGA1064_GEN_IO_DATA, 0xff);
WREG_DAC(MGA1064_GEN_IO_CTL, 0);
diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c
index d3d99a28dde..a274b9906ef 100644
--- a/drivers/gpu/drm/mgag200/mgag200_mode.c
+++ b/drivers/gpu/drm/mgag200/mgag200_mode.c
@@ -1406,6 +1406,14 @@ static int mga_vga_get_modes(struct drm_connector *connector)
static int mga_vga_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
+ struct drm_device *dev = connector->dev;
+ struct mga_device *mdev = (struct mga_device*)dev->dev_private;
+ struct mga_fbdev *mfbdev = mdev->mfbdev;
+ struct drm_fb_helper *fb_helper = &mfbdev->helper;
+ struct drm_fb_helper_connector *fb_helper_conn = NULL;
+ int bpp = 32;
+ int i = 0;
+
/* FIXME: Add bandwidth and g200se limitations */
if (mode->crtc_hdisplay > 2048 || mode->crtc_hsync_start > 4096 ||
@@ -1415,6 +1423,25 @@ static int mga_vga_mode_valid(struct drm_connector *connector,
return MODE_BAD;
}
+ /* Validate the mode input by the user */
+ for (i = 0; i < fb_helper->connector_count; i++) {
+ if (fb_helper->connector_info[i]->connector == connector) {
+ /* Found the helper for this connector */
+ fb_helper_conn = fb_helper->connector_info[i];
+ if (fb_helper_conn->cmdline_mode.specified) {
+ if (fb_helper_conn->cmdline_mode.bpp_specified) {
+ bpp = fb_helper_conn->cmdline_mode.bpp;
+ }
+ }
+ }
+ }
+
+ if ((mode->hdisplay * mode->vdisplay * (bpp/8)) > mdev->mc.vram_size) {
+ if (fb_helper_conn)
+ fb_helper_conn->cmdline_mode.specified = false;
+ return MODE_BAD;
+ }
+
return MODE_OK;
}