drm/radeon/kms/evergreen: add gart support
Gart setup is more or less like r7xx. Copy
rv770d.h to evergreend.h and fix up changes.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 7672f11..afcff06 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -27,7 +27,7 @@
#include "radeon.h"
#include "radeon_asic.h"
#include "radeon_drm.h"
-#include "rv770d.h"
+#include "evergreend.h"
#include "atom.h"
#include "avivod.h"
#include "evergreen_reg.h"
@@ -82,10 +82,31 @@
/*
* GART
*/
+void evergreen_pcie_gart_tlb_flush(struct radeon_device *rdev)
+{
+ unsigned i;
+ u32 tmp;
+
+ WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1));
+ for (i = 0; i < rdev->usec_timeout; i++) {
+ /* read MC_STATUS */
+ tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE);
+ tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT;
+ if (tmp == 2) {
+ printk(KERN_WARNING "[drm] r600 flush TLB failed\n");
+ return;
+ }
+ if (tmp) {
+ return;
+ }
+ udelay(1);
+ }
+}
+
int evergreen_pcie_gart_enable(struct radeon_device *rdev)
{
u32 tmp;
- int r, i;
+ int r;
if (rdev->gart.table.vram.robj == NULL) {
dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
@@ -120,10 +141,9 @@
RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
(u32)(rdev->dummy_page.addr >> 12));
- for (i = 1; i < 7; i++)
- WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
+ WREG32(VM_CONTEXT1_CNTL, 0);
- r600_pcie_gart_tlb_flush(rdev);
+ evergreen_pcie_gart_tlb_flush(rdev);
rdev->gart.ready = true;
return 0;
}
@@ -131,11 +151,11 @@
void evergreen_pcie_gart_disable(struct radeon_device *rdev)
{
u32 tmp;
- int i, r;
+ int r;
/* Disable all tables */
- for (i = 0; i < 7; i++)
- WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
+ WREG32(VM_CONTEXT0_CNTL, 0);
+ WREG32(VM_CONTEXT1_CNTL, 0);
/* Setup L2 cache */
WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
@@ -172,7 +192,6 @@
void evergreen_agp_enable(struct radeon_device *rdev)
{
u32 tmp;
- int i;
/* Setup L2 cache */
WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
@@ -192,8 +211,8 @@
WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
- for (i = 0; i < 7; i++)
- WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
+ WREG32(VM_CONTEXT0_CNTL, 0);
+ WREG32(VM_CONTEXT1_CNTL, 0);
}
static void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save)
@@ -500,9 +519,9 @@
static int evergreen_startup(struct radeon_device *rdev)
{
-#if 0
int r;
+#if 0
if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
r = r600_init_microcode(rdev);
if (r) {
@@ -512,15 +531,13 @@
}
#endif
evergreen_mc_program(rdev);
-#if 0
if (rdev->flags & RADEON_IS_AGP) {
- evergreem_agp_enable(rdev);
+ evergreen_agp_enable(rdev);
} else {
r = evergreen_pcie_gart_enable(rdev);
if (r)
return r;
}
-#endif
evergreen_gpu_init(rdev);
#if 0
if (!rdev->r600_blit.shader_obj) {
@@ -607,7 +624,10 @@
r700_cp_stop(rdev);
rdev->cp.ready = false;
r600_wb_disable(rdev);
+#endif
+
evergreen_pcie_gart_disable(rdev);
+#if 0
/* unpin shaders bo */
r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
if (likely(r == 0)) {
@@ -717,18 +737,18 @@
rdev->ih.ring_obj = NULL;
r600_ih_ring_init(rdev, 64 * 1024);
-
+#endif
r = r600_pcie_gart_init(rdev);
if (r)
return r;
-#endif
+
rdev->accel_working = false;
r = evergreen_startup(rdev);
if (r) {
evergreen_suspend(rdev);
/*r600_wb_fini(rdev);*/
/*radeon_ring_fini(rdev);*/
- /*evergreen_pcie_gart_fini(rdev);*/
+ evergreen_pcie_gart_fini(rdev);
rdev->accel_working = false;
}
if (rdev->accel_working) {
@@ -756,8 +776,8 @@
radeon_irq_kms_fini(rdev);
radeon_ring_fini(rdev);
r600_wb_fini(rdev);
- evergreen_pcie_gart_fini(rdev);
#endif
+ evergreen_pcie_gart_fini(rdev);
radeon_gem_fini(rdev);
radeon_fence_driver_fini(rdev);
radeon_clocks_fini(rdev);