drm/radeon/kms: fix hardcoded mmio size in register functions

newer asics have large mmio apertures

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@linux.ie>

diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index ab37dd0..c232782 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -847,7 +847,7 @@ void r600_kms_blit_copy(struct radeon_device *rdev,
 
 static inline uint32_t r100_mm_rreg(struct radeon_device *rdev, uint32_t reg)
 {
-       if (reg < 0x10000)
+       if (reg < rdev->rmmio_size)
                return readl(((void __iomem *)rdev->rmmio) + reg);
        else {
                writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
@@ -857,7 +857,7 @@ static inline uint32_t r100_mm_rreg(struct radeon_device *rdev, uint32_t reg)
 
 static inline void r100_mm_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
 {
-       if (reg < 0x10000)
+       if (reg < rdev->rmmio_size)
                writel(v, ((void __iomem *)rdev->rmmio) + reg);
        else {
                writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);