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Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux

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* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: (40 commits)
  vmwgfx: Snoop DMA transfers with non-covering sizes
  vmwgfx: Move the prefered mode first in the list
  vmwgfx: Unreference surface on cursor error path
  vmwgfx: Free prefered mode on error path
  vmwgfx: Use pointer return error codes
  vmwgfx: Fix hw cursor position
  vmwgfx: Infrastructure for explicit placement
  vmwgfx: Make the preferred autofit mode have a 60Hz vrefresh
  vmwgfx: Remove screen object active list
  vmwgfx: Screen object cleanups
  drm/radeon/kms: consolidate GART code, fix segfault after GPU lockup V2
  drm/radeon/kms: don't poll forever if MC GDDR link training fails
  drm/radeon/kms: fix DP setup on TRAVIS bridges
  drm/radeon/kms: set HPD polarity in hpd_init()
  drm/radeon/kms: add MSI module parameter
  drm/radeon/kms: Add MSI quirk for Dell RS690
  drm/radeon/kms: Add MSI quirk for HP RS690
  drm/radeon/kms: split MSI check into a separate function
  vmwgfx: Reinstate the update_layout ioctl
  drm/radeon/kms: always do extended edid probe
  ...
This commit is contained in:
Linus Torvalds
2011-11-07 10:01:56 -08:00
parent 6e6bc67982 2ac863719e
commit 83dbb15e9c
33 changed files with 2950 additions and 2659 deletions
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28
drivers/gpu/drm/radeon/radeon_i2c.c
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@@ -34,7 +34,7 @@
* radeon_ddc_probe
*
*/
bool radeon_ddc_probe(struct radeon_connector *radeon_connector, bool requires_extended_probe)
bool radeon_ddc_probe(struct radeon_connector *radeon_connector)
{
u8 out = 0x0;
u8 buf[8];
@@ -49,15 +49,11 @@ bool radeon_ddc_probe(struct radeon_connector *radeon_connector, bool requires_e
{
.addr = 0x50,
.flags = I2C_M_RD,
.len = 1,
.len = 8,
.buf = buf,
}
};
/* Read 8 bytes from i2c for extended probe of EDID header */
if (requires_extended_probe)
msgs[1].len = 8;
/* on hw with routers, select right port */
if (radeon_connector->router.ddc_valid)
radeon_router_select_ddc_port(radeon_connector);
@@ -66,17 +62,15 @@ bool radeon_ddc_probe(struct radeon_connector *radeon_connector, bool requires_e
if (ret != 2)
/* Couldn't find an accessible DDC on this connector */
return false;
if (requires_extended_probe) {
/* Probe also for valid EDID header
* EDID header starts with:
* 0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00.
* Only the first 6 bytes must be valid as
* drm_edid_block_valid() can fix the last 2 bytes */
if (drm_edid_header_is_valid(buf) < 6) {
/* Couldn't find an accessible EDID on this
* connector */
return false;
}
/* Probe also for valid EDID header
* EDID header starts with:
* 0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00.
* Only the first 6 bytes must be valid as
* drm_edid_block_valid() can fix the last 2 bytes */
if (drm_edid_header_is_valid(buf) < 6) {
/* Couldn't find an accessible EDID on this
* connector */
return false;
}
return true;
}