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path: root/drivers/gpu/drm/radeon/evergreen.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/evergreen.c')
-rw-r--r--drivers/gpu/drm/radeon/evergreen.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 15bd0477a3e8..14dce9f22172 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -1382,9 +1382,6 @@ int evergreen_cp_resume(struct radeon_device *rdev)
/* set the wb address wether it's enabled or not */
WREG32(CP_RB_RPTR_ADDR,
-#ifdef __BIG_ENDIAN
- RB_RPTR_SWAP(2) |
-#endif
((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC));
WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
@@ -2047,6 +2044,7 @@ static void evergreen_gpu_init(struct radeon_device *rdev)
rdev->config.evergreen.tile_config |=
((gb_addr_config & 0x30000000) >> 28) << 12;
+ rdev->config.evergreen.backend_map = gb_backend_map;
WREG32(GB_BACKEND_MAP, gb_backend_map);
WREG32(GB_ADDR_CONFIG, gb_addr_config);
WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
@@ -2761,6 +2759,9 @@ int evergreen_irq_process(struct radeon_device *rdev)
return IRQ_NONE;
}
restart_ih:
+ /* Order reading of wptr vs. reading of IH ring data */
+ rmb();
+
/* display interrupts */
evergreen_irq_ack(rdev);