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path: root/drivers/gpu/drm/ast/ast_main.c
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Diffstat (limited to 'drivers/gpu/drm/ast/ast_main.c')
-rw-r--r--drivers/gpu/drm/ast/ast_main.c49
1 files changed, 1 insertions, 48 deletions
diff --git a/drivers/gpu/drm/ast/ast_main.c b/drivers/gpu/drm/ast/ast_main.c
index af0b868a9dfd..50535fd5a88d 100644
--- a/drivers/gpu/drm/ast/ast_main.c
+++ b/drivers/gpu/drm/ast/ast_main.c
@@ -189,53 +189,6 @@ static int ast_get_dram_info(struct drm_device *dev)
return 0;
}
-uint32_t ast_get_max_dclk(struct drm_device *dev, int bpp)
-{
- struct ast_private *ast = dev->dev_private;
- uint32_t dclk, jreg;
- uint32_t dram_bus_width, mclk, dram_bandwidth, actual_dram_bandwidth, dram_efficency = 500;
-
- dram_bus_width = ast->dram_bus_width;
- mclk = ast->mclk;
-
- if (ast->chip == AST2100 ||
- ast->chip == AST1100 ||
- ast->chip == AST2200 ||
- ast->chip == AST2150 ||
- ast->dram_bus_width == 16)
- dram_efficency = 600;
- else if (ast->chip == AST2300)
- dram_efficency = 400;
-
- dram_bandwidth = mclk * dram_bus_width * 2 / 8;
- actual_dram_bandwidth = dram_bandwidth * dram_efficency / 1000;
-
- if (ast->chip == AST1180)
- dclk = actual_dram_bandwidth / ((bpp + 1) / 8);
- else {
- jreg = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd0, 0xff);
- if ((jreg & 0x08) && (ast->chip == AST2000))
- dclk = actual_dram_bandwidth / ((bpp + 1 + 16) / 8);
- else if ((jreg & 0x08) && (bpp == 8))
- dclk = actual_dram_bandwidth / ((bpp + 1 + 24) / 8);
- else
- dclk = actual_dram_bandwidth / ((bpp + 1) / 8);
- }
-
- if (ast->chip == AST2100 ||
- ast->chip == AST2200 ||
- ast->chip == AST2300 ||
- ast->chip == AST1180) {
- if (dclk > 200)
- dclk = 200;
- } else {
- if (dclk > 165)
- dclk = 165;
- }
-
- return dclk;
-}
-
static void ast_user_framebuffer_destroy(struct drm_framebuffer *fb)
{
struct ast_framebuffer *ast_fb = to_ast_framebuffer(fb);
@@ -449,7 +402,7 @@ int ast_dumb_create(struct drm_file *file,
return 0;
}
-void ast_bo_unref(struct ast_bo **bo)
+static void ast_bo_unref(struct ast_bo **bo)
{
struct ttm_buffer_object *tbo;