VRAM size detection is only relevant to the memory management. Move the code into ast_mm.c.
While at it, rename the function to ast_get_vram_size(). The function argument's type is now struct ast_private. The result is stored in a local variable and not in struct ast_private any longer.
Signed-off-by: Thomas Zimmermann tzimmermann@suse.de --- drivers/gpu/drm/ast/ast_drv.h | 1 - drivers/gpu/drm/ast/ast_main.c | 38 ++-------------------------- drivers/gpu/drm/ast/ast_mm.c | 45 +++++++++++++++++++++++++++++++++- 3 files changed, 46 insertions(+), 38 deletions(-)
diff --git a/drivers/gpu/drm/ast/ast_drv.h b/drivers/gpu/drm/ast/ast_drv.h index c8c442e9efdc..9a770e5b36d1 100644 --- a/drivers/gpu/drm/ast/ast_drv.h +++ b/drivers/gpu/drm/ast/ast_drv.h @@ -110,7 +110,6 @@ struct ast_private { uint32_t dram_bus_width; uint32_t dram_type; uint32_t mclk; - uint32_t vram_size;
int fb_mtrr;
diff --git a/drivers/gpu/drm/ast/ast_main.c b/drivers/gpu/drm/ast/ast_main.c index 860a43a64b31..b162cc82204d 100644 --- a/drivers/gpu/drm/ast/ast_main.c +++ b/drivers/gpu/drm/ast/ast_main.c @@ -378,38 +378,6 @@ static int ast_get_dram_info(struct drm_device *dev) return 0; }
-static u32 ast_get_vram_info(struct drm_device *dev) -{ - struct ast_private *ast = to_ast_private(dev); - u8 jreg; - u32 vram_size; - ast_open_key(ast); - - vram_size = AST_VIDMEM_DEFAULT_SIZE; - jreg = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xaa, 0xff); - switch (jreg & 3) { - case 0: vram_size = AST_VIDMEM_SIZE_8M; break; - case 1: vram_size = AST_VIDMEM_SIZE_16M; break; - case 2: vram_size = AST_VIDMEM_SIZE_32M; break; - case 3: vram_size = AST_VIDMEM_SIZE_64M; break; - } - - jreg = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x99, 0xff); - switch (jreg & 0x03) { - case 1: - vram_size -= 0x100000; - break; - case 2: - vram_size -= 0x200000; - break; - case 3: - vram_size -= 0x400000; - break; - } - - return vram_size; -} - int ast_driver_load(struct drm_device *dev, unsigned long flags) { struct ast_private *ast; @@ -456,10 +424,8 @@ int ast_driver_load(struct drm_device *dev, unsigned long flags) ret = ast_get_dram_info(dev); if (ret) goto out_free; - ast->vram_size = ast_get_vram_info(dev); - drm_info(dev, "dram MCLK=%u Mhz type=%d bus_width=%d size=%08x\n", - ast->mclk, ast->dram_type, - ast->dram_bus_width, ast->vram_size); + drm_info(dev, "dram MCLK=%u Mhz type=%d bus_width=%d\n", + ast->mclk, ast->dram_type, ast->dram_bus_width);
ret = ast_mm_init(ast); if (ret) diff --git a/drivers/gpu/drm/ast/ast_mm.c b/drivers/gpu/drm/ast/ast_mm.c index f0a96cae68c9..aaeb19d01052 100644 --- a/drivers/gpu/drm/ast/ast_mm.c +++ b/drivers/gpu/drm/ast/ast_mm.c @@ -33,13 +33,56 @@
#include "ast_drv.h"
+static u32 ast_get_vram_size(struct ast_private *ast) +{ + u8 jreg; + u32 vram_size; + + ast_open_key(ast); + + vram_size = AST_VIDMEM_DEFAULT_SIZE; + jreg = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xaa, 0xff); + switch (jreg & 3) { + case 0: + vram_size = AST_VIDMEM_SIZE_8M; + break; + case 1: + vram_size = AST_VIDMEM_SIZE_16M; + break; + case 2: + vram_size = AST_VIDMEM_SIZE_32M; + break; + case 3: + vram_size = AST_VIDMEM_SIZE_64M; + break; + } + + jreg = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x99, 0xff); + switch (jreg & 0x03) { + case 1: + vram_size -= 0x100000; + break; + case 2: + vram_size -= 0x200000; + break; + case 3: + vram_size -= 0x400000; + break; + } + + return vram_size; +} + int ast_mm_init(struct ast_private *ast) { + u32 vram_size; int ret; struct drm_device *dev = ast->dev;
+ vram_size = ast_get_vram_size(ast); + ret = drmm_vram_helper_init(dev, pci_resource_start(dev->pdev, 0), - ast->vram_size); + vram_size); if (ret) { drm_err(dev, "Error initializing VRAM MM; %d\n", ret); return ret;