From 642ce5251b4fefdb8f2a55396707b8fa9f953e05 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Michel=20D=C3=A4nzer?= Date: Thu, 12 Jan 2012 16:04:11 +0100 Subject: [PATCH] radeon: Call pci_clear_master() instead of open-coding it. MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Reported-by: Ben Hutchings Signed-off-by: Michel Dänzer Reviewed-by: Alex Deucher Signed-off-by: Dave Airlie --- drivers/gpu/drm/radeon/r100.c | 4 +--- drivers/gpu/drm/radeon/rs600.c | 13 ++----------- 2 files changed, 3 insertions(+), 14 deletions(-) diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index 3ec81c3d5108..bfd36ab643a6 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -2186,7 +2186,6 @@ bool r100_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) void r100_bm_disable(struct radeon_device *rdev) { u32 tmp; - u16 tmp16; /* disable bus mastering */ tmp = RREG32(R_000030_BUS_CNTL); @@ -2197,8 +2196,7 @@ void r100_bm_disable(struct radeon_device *rdev) WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000040); tmp = RREG32(RADEON_BUS_CNTL); mdelay(1); - pci_read_config_word(rdev->pdev, 0x4, &tmp16); - pci_write_config_word(rdev->pdev, 0x4, tmp16 & 0xFFFB); + pci_clear_master(rdev->pdev); mdelay(1); } diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c index 803e0d3c1773..ec46eb45e34c 100644 --- a/drivers/gpu/drm/radeon/rs600.c +++ b/drivers/gpu/drm/radeon/rs600.c @@ -322,16 +322,6 @@ void rs600_hpd_fini(struct radeon_device *rdev) } } -void rs600_bm_disable(struct radeon_device *rdev) -{ - u16 tmp; - - /* disable bus mastering */ - pci_read_config_word(rdev->pdev, 0x4, &tmp); - pci_write_config_word(rdev->pdev, 0x4, tmp & 0xFFFB); - mdelay(1); -} - int rs600_asic_reset(struct radeon_device *rdev) { struct rv515_mc_save save; @@ -355,7 +345,8 @@ int rs600_asic_reset(struct radeon_device *rdev) WREG32(RADEON_CP_RB_CNTL, tmp); pci_save_state(rdev->pdev); /* disable bus mastering */ - rs600_bm_disable(rdev); + pci_clear_master(rdev->pdev); + mdelay(1); /* reset GA+VAP */ WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) | S_0000F0_SOFT_RESET_GA(1)); -- 2.30.2