From ca7db22bc59ced2f180f37db8470140225d75860 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Tue, 20 Mar 2012 17:18:30 -0400 Subject: [PATCH] drm/radeon/kms: DCE6.1 watermark updates for TN Signed-off-by: Alex Deucher Signed-off-by: Dave Airlie --- drivers/gpu/drm/radeon/evergreen.c | 2 +- drivers/gpu/drm/radeon/si.c | 8 ++++++-- 2 files changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 466db41..6c2b666 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -581,7 +581,7 @@ static u32 evergreen_line_buffer_adjust(struct radeon_device *rdev, return 0; } -static u32 evergreen_get_number_of_dram_channels(struct radeon_device *rdev) +u32 evergreen_get_number_of_dram_channels(struct radeon_device *rdev) { u32 tmp = RREG32(MC_SHARED_CHMAP); diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index 4c0d8d2..d773ea9 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -60,6 +60,7 @@ extern void r600_ih_ring_fini(struct radeon_device *rdev); extern void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev); extern void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save); extern void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save); +extern u32 evergreen_get_number_of_dram_channels(struct radeon_device *rdev); /* get temperature in millidegrees */ int si_get_temp(struct radeon_device *rdev) @@ -449,7 +450,7 @@ static u32 dce6_line_buffer_adjust(struct radeon_device *rdev, return 0; } -static u32 dce6_get_number_of_dram_channels(struct radeon_device *rdev) +static u32 si_get_number_of_dram_channels(struct radeon_device *rdev) { u32 tmp = RREG32(MC_SHARED_CHMAP); @@ -766,7 +767,10 @@ static void dce6_program_watermarks(struct radeon_device *rdev, wm.vtaps = 2; wm.bytes_per_pixel = 4; /* XXX: get this from fb config */ wm.lb_size = lb_size; - wm.dram_channels = dce6_get_number_of_dram_channels(rdev); + if (rdev->family == CHIP_ARUBA) + wm.dram_channels = evergreen_get_number_of_dram_channels(rdev); + else + wm.dram_channels = si_get_number_of_dram_channels(rdev); wm.num_heads = num_heads; /* set for high clocks */ -- 2.7.4