diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/rs400.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/rs400.c | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/drivers/gpu/drm/radeon/rs400.c b/drivers/gpu/drm/radeon/rs400.c index d7f552d441ab..13cd0a688a65 100644 --- a/drivers/gpu/drm/radeon/rs400.c +++ b/drivers/gpu/drm/radeon/rs400.c @@ -26,6 +26,7 @@ * Jerome Glisse */ +#include <linux/debugfs.h> #include <linux/seq_file.h> #include <linux/slab.h> @@ -255,8 +256,22 @@ int rs400_mc_wait_for_idle(struct radeon_device *rdev) static void rs400_gpu_init(struct radeon_device *rdev) { - /* FIXME: is this correct ? */ - r420_pipes_init(rdev); + /* Earlier code was calling r420_pipes_init and then + * rs400_mc_wait_for_idle(rdev). The problem is that + * at least on my Mobility Radeon Xpress 200M RC410 card + * that ends up in this code path ends up num_gb_pipes == 3 + * while the card seems to have only one pipe. With the + * r420 pipe initialization method. + * + * Problems shown up as HyperZ glitches, see: + * https://bugs.freedesktop.org/show_bug.cgi?id=110897 + * + * Delegating initialization to r300 code seems to work + * and results in proper pipe numbers. The rs400 cards + * are said to be not r400, but r300 kind of cards. + */ + r300_gpu_init(rdev); + if (rs400_mc_wait_for_idle(rdev)) { pr_warn("rs400: Failed to wait MC idle while programming pipes. Bad things might happen. %08x\n", RREG32(RADEON_MC_STATUS)); @@ -378,7 +393,7 @@ DEFINE_SHOW_ATTRIBUTE(rs400_debugfs_gart_info); static void rs400_debugfs_pcie_gart_info_init(struct radeon_device *rdev) { #if defined(CONFIG_DEBUG_FS) - struct dentry *root = rdev->ddev->primary->debugfs_root; + struct dentry *root = rdev_to_drm(rdev)->primary->debugfs_root; debugfs_create_file("rs400_gart_info", 0444, root, rdev, &rs400_debugfs_gart_info_fops); @@ -473,7 +488,7 @@ int rs400_resume(struct radeon_device *rdev) RREG32(R_0007C0_CP_STAT)); } /* post */ - radeon_combios_asic_init(rdev->ddev); + radeon_combios_asic_init(rdev_to_drm(rdev)); /* Resume clock after posting */ r300_clock_startup(rdev); /* Initialize surface registers */ @@ -551,7 +566,7 @@ int rs400_init(struct radeon_device *rdev) return -EINVAL; /* Initialize clocks */ - radeon_get_clock_info(rdev->ddev); + radeon_get_clock_info(rdev_to_drm(rdev)); /* initialize memory controller */ rs400_mc_init(rdev); /* Fence driver */ |