drm/radeon: Remove rdev->gart.pages_addr array

radeon_vm_map_gart can use rdev->gart.pages_entry instead.

Also move the masking of the page address to radeon_vm_map_gart from its
callers.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

6 files changed, 2 insertions, 20 deletions

diff --git a/drivers/gpu/drm/radeon/cik_sdma.c b/drivers/gpu/drm/radeon/cik_sdma.c
index a0133c74f4cf..42cd0cffe210 100644
--- a/drivers/gpu/drm/radeon/cik_sdma.c
+++ b/drivers/gpu/drm/radeon/cik_sdma.c
@@ -816,7 +816,6 @@ void cik_sdma_vm_write_pages(struct radeon_device *rdev,
                 for (; ndw > 0; ndw -= 2, --count, pe += 8) {
                         if (flags & R600_PTE_SYSTEM) {
                                 value = radeon_vm_map_gart(rdev, addr);
-                                value &= 0xFFFFFFFFFFFFF000ULL;
                         } else if (flags & R600_PTE_VALID) {
                                 value = addr;
                         } else {
diff --git a/drivers/gpu/drm/radeon/ni_dma.c b/drivers/gpu/drm/radeon/ni_dma.c
index 4be2bb7cbef3..ce787a9f12c0 100644
--- a/drivers/gpu/drm/radeon/ni_dma.c
+++ b/drivers/gpu/drm/radeon/ni_dma.c
@@ -372,7 +372,6 @@ void cayman_dma_vm_write_pages(struct radeon_device *rdev,
                 for (; ndw > 0; ndw -= 2, --count, pe += 8) {
                         if (flags & R600_PTE_SYSTEM) {
                                 value = radeon_vm_map_gart(rdev, addr);
-                                value &= 0xFFFFFFFFFFFFF000ULL;
                         } else if (flags & R600_PTE_VALID) {
                                 value = addr;
                         } else {
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 40c4c7aa9103..3f2a8d3febca 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -646,7 +646,6 @@ struct radeon_gart {
         unsigned                        num_cpu_pages;
         unsigned                        table_size;
         struct page                     **pages;
-        dma_addr_t                      *pages_addr;
         uint64_t                        *pages_entry;
         bool                            ready;
 };
diff --git a/drivers/gpu/drm/radeon/radeon_gart.c b/drivers/gpu/drm/radeon/radeon_gart.c
index c7be612b60c9..5450fa95a47e 100644
--- a/drivers/gpu/drm/radeon/radeon_gart.c
+++ b/drivers/gpu/drm/radeon/radeon_gart.c
@@ -251,7 +251,6 @@ void radeon_gart_unbind(struct radeon_device *rdev, unsigned offset,
         for (i = 0; i < pages; i++, p++) {
                 if (rdev->gart.pages[p]) {
                         rdev->gart.pages[p] = NULL;
-                        rdev->gart.pages_addr[p] = rdev->dummy_page.addr;
                         for (j = 0; j < (PAGE_SIZE / RADEON_GPU_PAGE_SIZE); j++, t++) {
                                 rdev->gart.pages_entry[t] = rdev->dummy_page.entry;
                                 if (rdev->gart.ptr) {
@@ -296,7 +295,6 @@ int radeon_gart_bind(struct radeon_device *rdev, unsigned offset,
         p = t / (PAGE_SIZE / RADEON_GPU_PAGE_SIZE);
 
         for (i = 0; i < pages; i++, p++) {
-                rdev->gart.pages_addr[p] = dma_addr[i];
                 rdev->gart.pages[p] = pagelist[i];
                 page_base = dma_addr[i];
                 for (j = 0; j < (PAGE_SIZE / RADEON_GPU_PAGE_SIZE); j++, t++) {
@@ -347,12 +345,6 @@ int radeon_gart_init(struct radeon_device *rdev)
                 radeon_gart_fini(rdev);
                 return -ENOMEM;
         }
-        rdev->gart.pages_addr = vzalloc(sizeof(dma_addr_t) *
-                                        rdev->gart.num_cpu_pages);
-        if (rdev->gart.pages_addr == NULL) {
-                radeon_gart_fini(rdev);
-                return -ENOMEM;
-        }
         rdev->gart.pages_entry = vmalloc(sizeof(uint64_t) *
                                          rdev->gart.num_gpu_pages);
         if (rdev->gart.pages_entry == NULL) {
@@ -360,8 +352,6 @@ int radeon_gart_init(struct radeon_device *rdev)
                 return -ENOMEM;
         }
         /* set GART entry to point to the dummy page by default */
-        for (i = 0; i < rdev->gart.num_cpu_pages; i++)
-                rdev->gart.pages_addr[i] = rdev->dummy_page.addr;
         for (i = 0; i < rdev->gart.num_gpu_pages; i++)
                 rdev->gart.pages_entry[i] = rdev->dummy_page.entry;
         return 0;
@@ -382,10 +372,8 @@ void radeon_gart_fini(struct radeon_device *rdev)
         }
         rdev->gart.ready = false;
         vfree(rdev->gart.pages);
-        vfree(rdev->gart.pages_addr);
         vfree(rdev->gart.pages_entry);
         rdev->gart.pages = NULL;
-        rdev->gart.pages_addr = NULL;
         rdev->gart.pages_entry = NULL;
 
         radeon_dummy_page_fini(rdev);
diff --git a/drivers/gpu/drm/radeon/radeon_vm.c b/drivers/gpu/drm/radeon/radeon_vm.c
index cde48c42b30a..06d2246d07f1 100644
--- a/drivers/gpu/drm/radeon/radeon_vm.c
+++ b/drivers/gpu/drm/radeon/radeon_vm.c
@@ -587,10 +587,8 @@ uint64_t radeon_vm_map_gart(struct radeon_device *rdev, uint64_t addr)
         uint64_t result;
 
         /* page table offset */
-        result = rdev->gart.pages_addr[addr >> PAGE_SHIFT];
-
-        /* in case cpu page size != gpu page size*/
-        result |= addr & (~PAGE_MASK);
+        result = rdev->gart.pages_entry[addr >> RADEON_GPU_PAGE_SHIFT];
+        result &= ~RADEON_GPU_PAGE_MASK;
 
         return result;
 }
diff --git a/drivers/gpu/drm/radeon/si_dma.c b/drivers/gpu/drm/radeon/si_dma.c
index aa7b872b2c43..83207929fc62 100644
--- a/drivers/gpu/drm/radeon/si_dma.c
+++ b/drivers/gpu/drm/radeon/si_dma.c
@@ -123,7 +123,6 @@ void si_dma_vm_write_pages(struct radeon_device *rdev,
                 for (; ndw > 0; ndw -= 2, --count, pe += 8) {
                         if (flags & R600_PTE_SYSTEM) {
                                 value = radeon_vm_map_gart(rdev, addr);
-                                value &= 0xFFFFFFFFFFFFF000ULL;
                         } else if (flags & R600_PTE_VALID) {
                                 value = addr;
                         } else {