summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/gpu/drm/radeon/r100.c13
-rw-r--r--drivers/gpu/drm/radeon/r300.c6
-rw-r--r--drivers/gpu/drm/radeon/r420.c3
-rw-r--r--drivers/gpu/drm/radeon/radeon.h1
-rw-r--r--drivers/gpu/drm/radeon/rs400.c1
5 files changed, 21 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index c9e93eabcf16..4e0a80467b44 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -94,6 +94,15 @@ int r100_pci_gart_init(struct radeon_device *rdev)
return radeon_gart_table_ram_alloc(rdev);
}
+/* required on r1xx, r2xx, r300, r(v)350, r420/r481, rs400/rs480 */
+void r100_enable_bm(struct radeon_device *rdev)
+{
+ uint32_t tmp;
+ /* Enable bus mastering */
+ tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
+ WREG32(RADEON_BUS_CNTL, tmp);
+}
+
int r100_pci_gart_enable(struct radeon_device *rdev)
{
uint32_t tmp;
@@ -105,9 +114,6 @@ int r100_pci_gart_enable(struct radeon_device *rdev)
WREG32(RADEON_AIC_LO_ADDR, rdev->mc.gtt_location);
tmp = rdev->mc.gtt_location + rdev->mc.gtt_size - 1;
WREG32(RADEON_AIC_HI_ADDR, tmp);
- /* Enable bus mastering */
- tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
- WREG32(RADEON_BUS_CNTL, tmp);
/* set PCI GART page-table base address */
WREG32(RADEON_AIC_PT_BASE, rdev->gart.table_addr);
tmp = RREG32(RADEON_AIC_CNTL) | RADEON_PCIGART_TRANSLATE_EN;
@@ -3108,6 +3114,7 @@ static int r100_startup(struct radeon_device *rdev)
r100_gpu_init(rdev);
/* Initialize GART (initialize after TTM so we can allocate
* memory through TTM but finalize after TTM) */
+ r100_enable_bm(rdev);
if (rdev->flags & RADEON_IS_PCI) {
r = r100_pci_gart_enable(rdev);
if (r)
diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c
index 2f43ee8e4048..9a5798544b42 100644
--- a/drivers/gpu/drm/radeon/r300.c
+++ b/drivers/gpu/drm/radeon/r300.c
@@ -1193,6 +1193,12 @@ static int r300_startup(struct radeon_device *rdev)
if (r)
return r;
}
+
+ if (rdev->family == CHIP_R300 ||
+ rdev->family == CHIP_R350 ||
+ rdev->family == CHIP_RV350)
+ r100_enable_bm(rdev);
+
if (rdev->flags & RADEON_IS_PCI) {
r = r100_pci_gart_enable(rdev);
if (r)
diff --git a/drivers/gpu/drm/radeon/r420.c b/drivers/gpu/drm/radeon/r420.c
index 1cefdbcc0850..e7e4f5a90ebe 100644
--- a/drivers/gpu/drm/radeon/r420.c
+++ b/drivers/gpu/drm/radeon/r420.c
@@ -335,6 +335,9 @@ int r420_init(struct radeon_device *rdev)
if (r) {
return r;
}
+ if (rdev->family == CHIP_R420)
+ r100_enable_bm(rdev);
+
if (rdev->flags & RADEON_IS_PCIE) {
r = rv370_pcie_gart_init(rdev);
if (r)
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 224506a2f7b1..9cb81a805d14 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -1029,6 +1029,7 @@ extern int r100_cs_parse_packet0(struct radeon_cs_parser *p,
extern int r100_cs_packet_parse(struct radeon_cs_parser *p,
struct radeon_cs_packet *pkt,
unsigned idx);
+extern void r100_enable_bm(struct radeon_device *rdev);
/* rv200,rv250,rv280 */
extern void r200_set_safe_registers(struct radeon_device *rdev);
diff --git a/drivers/gpu/drm/radeon/rs400.c b/drivers/gpu/drm/radeon/rs400.c
index ca037160a582..f1de558aeb39 100644
--- a/drivers/gpu/drm/radeon/rs400.c
+++ b/drivers/gpu/drm/radeon/rs400.c
@@ -387,6 +387,7 @@ static int rs400_startup(struct radeon_device *rdev)
r300_clock_startup(rdev);
/* Initialize GPU configuration (# pipes, ...) */
rs400_gpu_init(rdev);
+ r100_enable_bm(rdev);
/* Initialize GART (initialize after TTM so we can allocate
* memory through TTM but finalize after TTM) */
r = rs400_gart_enable(rdev);
OpenPOWER on IntegriCloud