releases/3.1.1/drm-radeon-kms-add-msi-quirk-for-hp-rs690.patch

   1 From b362105f7f5223fa4d2e03ceeea0e51da754ccc6 Mon Sep 17 00:00:00 2001
   2 From: Alex Deucher <alexander.deucher@amd.com>
   3 Date: Tue, 25 Oct 2011 15:11:08 -0400
   4 Subject: drm/radeon/kms: Add MSI quirk for HP RS690
   5
   6 From: Alex Deucher <alexander.deucher@amd.com>
   7
   8 commit b362105f7f5223fa4d2e03ceeea0e51da754ccc6 upstream.
   9
  10 Some HP laptops only seem to work with MSIs.  This
  11 looks like a platform/bios bug.
  12
  13 Fixes:
  14 https://bugs.freedesktop.org/show_bug.cgi?id=37679
  15
  16 Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
  17 Signed-off-by: Dave Airlie <airlied@redhat.com>
  18 Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
  19
  20 ---
  21  drivers/gpu/drm/radeon/radeon_irq_kms.c |    7 +++++++
  22  1 file changed, 7 insertions(+)
  23
  24 --- a/drivers/gpu/drm/radeon/radeon_irq_kms.c
  25 +++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c
  26 @@ -118,6 +118,13 @@ static bool radeon_msi_ok(struct radeon_
  27         if (rdev->flags & RADEON_IS_AGP)
  28                 return false;
  29
  30 +       /* Quirks */
  31 +       /* HP RS690 only seems to work with MSIs. */
  32 +       if ((rdev->pdev->device == 0x791f) &&
  33 +           (rdev->pdev->subsystem_vendor == 0x103c) &&
  34 +           (rdev->pdev->subsystem_device == 0x30c2))
  35 +               return true;
  36 +
  37         if (rdev->flags & RADEON_IS_IGP) {
  38                 /* APUs work fine with MSIs */
  39                 if (rdev->family >= CHIP_PALM)