Just defining rdev->rmmio properly in the first place should do the trick. In some cases, the cast were also complete dups as the original variable was already of the right type.
Signed-off-by: Benjamin Herrenschmidt benh@kernel.crashing.org ---
(resent adding dri-devel to the CC list to hit patchwork)
drivers/gpu/drm/radeon/radeon.h | 22 +++++++++++----------- drivers/gpu/drm/radeon/rs600.c | 2 +- 2 files changed, 12 insertions(+), 12 deletions(-)
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index ef0e0e0..c92cf2c 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -1174,7 +1174,7 @@ struct radeon_device { /* Register mmio */ resource_size_t rmmio_base; resource_size_t rmmio_size; - void *rmmio; + void __iomem *rmmio; radeon_rreg_t mc_rreg; radeon_wreg_t mc_wreg; radeon_rreg_t pll_rreg; @@ -1251,20 +1251,20 @@ int radeon_gpu_wait_for_idle(struct radeon_device *rdev); static inline uint32_t r100_mm_rreg(struct radeon_device *rdev, uint32_t reg) { if (reg < rdev->rmmio_size) - return readl(((void __iomem *)rdev->rmmio) + reg); + return readl((rdev->rmmio) + reg); else { - writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX); - return readl(((void __iomem *)rdev->rmmio) + RADEON_MM_DATA); + writel(reg, (rdev->rmmio) + RADEON_MM_INDEX); + return readl((rdev->rmmio) + RADEON_MM_DATA); } }
static inline void r100_mm_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v) { if (reg < rdev->rmmio_size) - writel(v, ((void __iomem *)rdev->rmmio) + reg); + writel(v, (rdev->rmmio) + reg); else { - writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX); - writel(v, ((void __iomem *)rdev->rmmio) + RADEON_MM_DATA); + writel(reg, (rdev->rmmio) + RADEON_MM_INDEX); + writel(v, (rdev->rmmio) + RADEON_MM_DATA); } }
@@ -1296,10 +1296,10 @@ static inline void r100_io_wreg(struct radeon_device *rdev, u32 reg, u32 v) /* * Registers read & write functions. */ -#define RREG8(reg) readb(((void __iomem *)rdev->rmmio) + (reg)) -#define WREG8(reg, v) writeb(v, ((void __iomem *)rdev->rmmio) + (reg)) -#define RREG16(reg) readw(((void __iomem *)rdev->rmmio) + (reg)) -#define WREG16(reg, v) writew(v, ((void __iomem *)rdev->rmmio) + (reg)) +#define RREG8(reg) readb((rdev->rmmio) + (reg)) +#define WREG8(reg, v) writeb(v, (rdev->rmmio) + (reg)) +#define RREG16(reg) readw((rdev->rmmio) + (reg)) +#define WREG16(reg, v) writew(v, (rdev->rmmio) + (reg)) #define RREG32(reg) r100_mm_rreg(rdev, (reg)) #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", r100_mm_rreg(rdev, (reg))) #define WREG32(reg, v) r100_mm_wreg(rdev, (reg), (v)) diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c index 6e3b11e..6779576 100644 --- a/drivers/gpu/drm/radeon/rs600.c +++ b/drivers/gpu/drm/radeon/rs600.c @@ -530,7 +530,7 @@ int rs600_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr) addr = addr & 0xFFFFFFFFFFFFF000ULL; addr |= R600_PTE_VALID | R600_PTE_SYSTEM | R600_PTE_SNOOPED; addr |= R600_PTE_READABLE | R600_PTE_WRITEABLE; - writeq(addr, ((void __iomem *)ptr) + (i * 8)); + writeq(addr, ptr + (i * 8)); return 0; }
On Wed, Jul 13, 2011 at 2:28 AM, Benjamin Herrenschmidt benh@kernel.crashing.org wrote:
Just defining rdev->rmmio properly in the first place should do the trick. In some cases, the cast were also complete dups as the original variable was already of the right type.
Signed-off-by: Benjamin Herrenschmidt benh@kernel.crashing.org
Reviewed-by: Alex Deucher alexander.deucher@amd.com
(resent adding dri-devel to the CC list to hit patchwork)
drivers/gpu/drm/radeon/radeon.h | 22 +++++++++++----------- drivers/gpu/drm/radeon/rs600.c | 2 +- 2 files changed, 12 insertions(+), 12 deletions(-)
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index ef0e0e0..c92cf2c 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -1174,7 +1174,7 @@ struct radeon_device { /* Register mmio */ resource_size_t rmmio_base; resource_size_t rmmio_size;
- void *rmmio;
- void __iomem *rmmio;
radeon_rreg_t mc_rreg; radeon_wreg_t mc_wreg; radeon_rreg_t pll_rreg; @@ -1251,20 +1251,20 @@ int radeon_gpu_wait_for_idle(struct radeon_device *rdev); static inline uint32_t r100_mm_rreg(struct radeon_device *rdev, uint32_t reg) { if (reg < rdev->rmmio_size)
- return readl(((void __iomem *)rdev->rmmio) + reg);
- return readl((rdev->rmmio) + reg);
else {
- writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
- return readl(((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
- writel(reg, (rdev->rmmio) + RADEON_MM_INDEX);
- return readl((rdev->rmmio) + RADEON_MM_DATA);
} }
static inline void r100_mm_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v) { if (reg < rdev->rmmio_size)
- writel(v, ((void __iomem *)rdev->rmmio) + reg);
- writel(v, (rdev->rmmio) + reg);
else {
- writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
- writel(v, ((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
- writel(reg, (rdev->rmmio) + RADEON_MM_INDEX);
- writel(v, (rdev->rmmio) + RADEON_MM_DATA);
} }
@@ -1296,10 +1296,10 @@ static inline void r100_io_wreg(struct radeon_device *rdev, u32 reg, u32 v) /* * Registers read & write functions. */ -#define RREG8(reg) readb(((void __iomem *)rdev->rmmio) + (reg)) -#define WREG8(reg, v) writeb(v, ((void __iomem *)rdev->rmmio) + (reg)) -#define RREG16(reg) readw(((void __iomem *)rdev->rmmio) + (reg)) -#define WREG16(reg, v) writew(v, ((void __iomem *)rdev->rmmio) + (reg)) +#define RREG8(reg) readb((rdev->rmmio) + (reg)) +#define WREG8(reg, v) writeb(v, (rdev->rmmio) + (reg)) +#define RREG16(reg) readw((rdev->rmmio) + (reg)) +#define WREG16(reg, v) writew(v, (rdev->rmmio) + (reg)) #define RREG32(reg) r100_mm_rreg(rdev, (reg)) #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", r100_mm_rreg(rdev, (reg))) #define WREG32(reg, v) r100_mm_wreg(rdev, (reg), (v)) diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c index 6e3b11e..6779576 100644 --- a/drivers/gpu/drm/radeon/rs600.c +++ b/drivers/gpu/drm/radeon/rs600.c @@ -530,7 +530,7 @@ int rs600_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr) addr = addr & 0xFFFFFFFFFFFFF000ULL; addr |= R600_PTE_VALID | R600_PTE_SYSTEM | R600_PTE_SNOOPED; addr |= R600_PTE_READABLE | R600_PTE_WRITEABLE;
- writeq(addr, ((void __iomem *)ptr) + (i * 8));
- writeq(addr, ptr + (i * 8));
return 0; }
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Alex Deucher -
Benjamin Herrenschmidt