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path: root/drivers/gpu/drm/radeon/radeon.h
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon.h')
-rw-r--r--drivers/gpu/drm/radeon/radeon.h34
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 7e34e4376f9..116bedddffe 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -44,6 +44,24 @@
* - TESTING, TESTING, TESTING
*/
+/* Initialization path:
+ * We expect that acceleration initialization might fail for various
+ * reasons even thought we work hard to make it works on most
+ * configurations. In order to still have a working userspace in such
+ * situation the init path must succeed up to the memory controller
+ * initialization point. Failure before this point are considered as
+ * fatal error. Here is the init callchain :
+ * radeon_device_init perform common structure, mutex initialization
+ * asic_init setup the GPU memory layout and perform all
+ * one time initialization (failure in this
+ * function are considered fatal)
+ * asic_startup setup the GPU acceleration, in order to
+ * follow guideline the first thing this
+ * function should do is setting the GPU
+ * memory controller (only MC setup failure
+ * are considered as fatal)
+ */
+
#include <asm/atomic.h>
#include <linux/wait.h>
#include <linux/list.h>
@@ -976,6 +994,7 @@ extern void radeon_clocks_fini(struct radeon_device *rdev);
extern void radeon_scratch_init(struct radeon_device *rdev);
extern void radeon_surface_init(struct radeon_device *rdev);
extern int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data);
+extern void radeon_atom_set_clock_gating(struct radeon_device *rdev, int enable);
/* r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280 */
struct r100_mc_save {
@@ -1007,6 +1026,9 @@ extern void r100_vram_init_sizes(struct radeon_device *rdev);
extern void r100_wb_disable(struct radeon_device *rdev);
extern void r100_wb_fini(struct radeon_device *rdev);
extern int r100_wb_init(struct radeon_device *rdev);
+extern void r100_hdp_reset(struct radeon_device *rdev);
+extern int r100_rb2d_reset(struct radeon_device *rdev);
+extern int r100_cp_reset(struct radeon_device *rdev);
/* r300,r350,rv350,rv370,rv380 */
extern void r300_set_reg_safe(struct radeon_device *rdev);
@@ -1018,12 +1040,24 @@ extern int rv370_pcie_gart_enable(struct radeon_device *rdev);
extern void rv370_pcie_gart_disable(struct radeon_device *rdev);
/* r420,r423,rv410 */
+extern int r420_mc_init(struct radeon_device *rdev);
extern u32 r420_mc_rreg(struct radeon_device *rdev, u32 reg);
extern void r420_mc_wreg(struct radeon_device *rdev, u32 reg, u32 v);
extern int r420_debugfs_pipes_info_init(struct radeon_device *rdev);
+extern void r420_pipes_init(struct radeon_device *rdev);
/* rv515 */
+struct rv515_mc_save {
+ u32 d1vga_control;
+ u32 d2vga_control;
+ u32 vga_render_control;
+ u32 vga_hdp_control;
+ u32 d1crtc_control;
+ u32 d2crtc_control;
+};
extern void rv515_bandwidth_avivo_update(struct radeon_device *rdev);
+extern void rv515_vga_render_disable(struct radeon_device *rdev);
+extern void rv515_set_safe_registers(struct radeon_device *rdev);
/* rs690, rs740 */
extern void rs690_line_buffer_adjust(struct radeon_device *rdev,