Merge branch 'drm-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied...

[pandora-kernel.git] / drivers / gpu / drm / radeon / evergreen.c

diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 15bd047..14dce9f 100644 (file)
--- 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);