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authorAjay Nandakumar <anandakumarm@nvidia.com>2013-10-31 07:12:36 +0530
committerAjay Nandakumar <anandakumarm@nvidia.com>2013-10-31 07:12:36 +0530
commit639f4bc6c2e711e814f72805d07412f93a9fbd89 (patch)
tree5a57a019d16c351d8f4a75eabb43ee4e6d740e57 /drivers/gpu/drm/radeon/evergreen.c
parent2611486c29791d083a6a58bb88a23de042d38031 (diff)
parent14e9c7db465387ede7f019c42f28c90f99fc2793 (diff)
Merge tag 'v3.10.17' into dev-kernel-3.10
This is the 3.10.17 stable release Conflicts: drivers/usb/host/xhci.c Change-Id: I6bd3b15ff92a0b94568b9d02e9bb1036becfca20
Diffstat (limited to 'drivers/gpu/drm/radeon/evergreen.c')
-rw-r--r--drivers/gpu/drm/radeon/evergreen.c27
1 files changed, 22 insertions, 5 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 687b421f75c3..8b6b0ba6ae40 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -1718,7 +1718,8 @@ static u32 evergreen_line_buffer_adjust(struct radeon_device *rdev,
struct drm_display_mode *mode,
struct drm_display_mode *other_mode)
{
- u32 tmp;
+ u32 tmp, buffer_alloc, i;
+ u32 pipe_offset = radeon_crtc->crtc_id * 0x20;
/*
* Line Buffer Setup
* There are 3 line buffers, each one shared by 2 display controllers.
@@ -1741,18 +1742,34 @@ static u32 evergreen_line_buffer_adjust(struct radeon_device *rdev,
* non-linked crtcs for maximum line buffer allocation.
*/
if (radeon_crtc->base.enabled && mode) {
- if (other_mode)
+ if (other_mode) {
tmp = 0; /* 1/2 */
- else
+ buffer_alloc = 1;
+ } else {
tmp = 2; /* whole */
- } else
+ buffer_alloc = 2;
+ }
+ } else {
tmp = 0;
+ buffer_alloc = 0;
+ }
/* second controller of the pair uses second half of the lb */
if (radeon_crtc->crtc_id % 2)
tmp += 4;
WREG32(DC_LB_MEMORY_SPLIT + radeon_crtc->crtc_offset, tmp);
+ if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
+ WREG32(PIPE0_DMIF_BUFFER_CONTROL + pipe_offset,
+ DMIF_BUFFERS_ALLOCATED(buffer_alloc));
+ for (i = 0; i < rdev->usec_timeout; i++) {
+ if (RREG32(PIPE0_DMIF_BUFFER_CONTROL + pipe_offset) &
+ DMIF_BUFFERS_ALLOCATED_COMPLETED)
+ break;
+ udelay(1);
+ }
+ }
+
if (radeon_crtc->base.enabled && mode) {
switch (tmp) {
case 0:
@@ -2973,7 +2990,7 @@ static void evergreen_gpu_init(struct radeon_device *rdev)
rdev->config.evergreen.sx_max_export_size = 256;
rdev->config.evergreen.sx_max_export_pos_size = 64;
rdev->config.evergreen.sx_max_export_smx_size = 192;
- rdev->config.evergreen.max_hw_contexts = 8;
+ rdev->config.evergreen.max_hw_contexts = 4;
rdev->config.evergreen.sq_num_cf_insts = 2;
rdev->config.evergreen.sc_prim_fifo_size = 0x40;