From 22dd50133ab7548adb23e86c302d6e8b75817e8c Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Sun, 6 Dec 2009 19:45:17 -0500 Subject: [PATCH] drm/radeon/kms: fix vram setup on rs600/rs690/rs740 Don't remap vram to 0 on IGP chips. Signed-off-by: Alex Deucher Signed-off-by: Dave Airlie --- drivers/gpu/drm/radeon/rs400.c | 2 +- drivers/gpu/drm/radeon/rs600.c | 7 ++++--- drivers/gpu/drm/radeon/rs690.c | 17 ++++++++++++++++- 3 files changed, 21 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/radeon/rs400.c b/drivers/gpu/drm/radeon/rs400.c index 8d12b8a..eda6d757 100644 --- a/drivers/gpu/drm/radeon/rs400.c +++ b/drivers/gpu/drm/radeon/rs400.c @@ -352,7 +352,7 @@ static int rs400_mc_init(struct radeon_device *rdev) u32 tmp; /* Setup GPU memory space */ - tmp = G_00015C_MC_FB_START(RREG32(R_00015C_NB_TOM)); + tmp = RREG32(R_00015C_NB_TOM); rdev->mc.vram_location = G_00015C_MC_FB_START(tmp) << 16; rdev->mc.gtt_location = 0xFFFFFFFFUL; r = radeon_mc_setup(rdev); diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c index 3be456b..84b26376 100644 --- a/drivers/gpu/drm/radeon/rs600.c +++ b/drivers/gpu/drm/radeon/rs600.c @@ -48,11 +48,12 @@ int rs600_mc_wait_for_idle(struct radeon_device *rdev); int rs600_mc_init(struct radeon_device *rdev) { /* read back the MC value from the hw */ - uint32_t mc_fb_loc; int r; + u32 tmp; - mc_fb_loc = RREG32_MC(R_000004_MC_FB_LOCATION); - rdev->mc.vram_location = G_000004_MC_FB_START(mc_fb_loc) << 16; + /* Setup GPU memory space */ + tmp = RREG32_MC(R_000004_MC_FB_LOCATION); + rdev->mc.vram_location = G_000004_MC_FB_START(tmp) << 16; rdev->mc.gtt_location = 0xffffffffUL; r = radeon_mc_setup(rdev); if (r) diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c index 30913c3..eb486ee 100644 --- a/drivers/gpu/drm/radeon/rs690.c +++ b/drivers/gpu/drm/radeon/rs690.c @@ -162,6 +162,21 @@ void rs690_vram_info(struct radeon_device *rdev) rdev->pm.core_bandwidth.full = rfixed_div(rdev->pm.sclk, a); } +static int rs690_mc_init(struct radeon_device *rdev) +{ + int r; + u32 tmp; + + /* Setup GPU memory space */ + tmp = RREG32_MC(R_000100_MCCFG_FB_LOCATION); + rdev->mc.vram_location = G_000100_MC_FB_START(tmp) << 16; + rdev->mc.gtt_location = 0xFFFFFFFFUL; + r = radeon_mc_setup(rdev); + if (r) + return r; + return 0; +} + void rs690_line_buffer_adjust(struct radeon_device *rdev, struct drm_display_mode *mode1, struct drm_display_mode *mode2) @@ -710,7 +725,7 @@ int rs690_init(struct radeon_device *rdev) /* Get vram informations */ rs690_vram_info(rdev); /* Initialize memory controller (also test AGP) */ - r = r420_mc_init(rdev); + r = rs690_mc_init(rdev); if (r) return r; rv515_debugfs(rdev); -- 2.7.4