From d03160d52da816b9f6c87d68bed5aeecaf488191 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Sun, 4 Aug 2013 12:13:17 -0400 Subject: [PATCH] drm/radeon: always program the MC on startup commit 6fab3febf6d949b0a12b1e4e73db38e4a177a79e upstream. For r6xx+ asics. This mirrors the behavior of pre-r6xx asics. We need to program the MC even if something else in startup() fails. Failure to do so results in an unusable GPU. Based on a fix from: Mark Kettenis Signed-off-by: Alex Deucher [bwh: Backported to 3.2: adjust context, drop changes to cik.c and si.c] Signed-off-by: Ben Hutchings --- drivers/gpu/drm/radeon/evergreen.c | 3 ++- drivers/gpu/drm/radeon/ni.c | 3 ++- drivers/gpu/drm/radeon/r600.c | 3 ++- drivers/gpu/drm/radeon/rv770.c | 3 ++- 4 files changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 9bea4a6433cc..f5962a0832f9 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -3036,6 +3036,8 @@ static int evergreen_startup(struct radeon_device *rdev) /* enable pcie gen2 link */ evergreen_pcie_gen2_enable(rdev); + evergreen_mc_program(rdev); + if (ASIC_IS_DCE5(rdev)) { if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) { r = ni_init_microcode(rdev); @@ -3063,7 +3065,6 @@ static int evergreen_startup(struct radeon_device *rdev) if (r) return r; - evergreen_mc_program(rdev); if (rdev->flags & RADEON_IS_AGP) { evergreen_agp_enable(rdev); } else { diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index 3f9705babeb6..77e6fb1f9f20 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -1353,6 +1353,8 @@ static int cayman_startup(struct radeon_device *rdev) /* enable pcie gen2 link */ evergreen_pcie_gen2_enable(rdev); + evergreen_mc_program(rdev); + if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) { r = ni_init_microcode(rdev); if (r) { @@ -1370,7 +1372,6 @@ static int cayman_startup(struct radeon_device *rdev) if (r) return r; - evergreen_mc_program(rdev); r = cayman_pcie_gart_enable(rdev); if (r) return r; diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 3d46d7d4c28c..57e45c64fc95 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -2415,6 +2415,8 @@ int r600_startup(struct radeon_device *rdev) /* enable pcie gen2 link */ r600_pcie_gen2_enable(rdev); + r600_mc_program(rdev); + if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) { r = r600_init_microcode(rdev); if (r) { @@ -2427,7 +2429,6 @@ int r600_startup(struct radeon_device *rdev) if (r) return r; - r600_mc_program(rdev); if (rdev->flags & RADEON_IS_AGP) { r600_agp_enable(rdev); } else { diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c index 63db75d0c0fb..3e7207413892 100644 --- a/drivers/gpu/drm/radeon/rv770.c +++ b/drivers/gpu/drm/radeon/rv770.c @@ -1057,6 +1057,8 @@ static int rv770_startup(struct radeon_device *rdev) /* enable pcie gen2 link */ rv770_pcie_gen2_enable(rdev); + rv770_mc_program(rdev); + if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) { r = r600_init_microcode(rdev); if (r) { @@ -1069,7 +1071,6 @@ static int rv770_startup(struct radeon_device *rdev) if (r) return r; - rv770_mc_program(rdev); if (rdev->flags & RADEON_IS_AGP) { rv770_agp_enable(rdev); } else { -- 2.47.3