From cbf7ce440976f1b3eb42f4d14c8f502dbefd9dcd Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Fri, 4 Dec 2009 10:55:12 -0500 Subject: [PATCH] drm/radeon/kms/legacy: set common regs to sane value The DDX and radeonfb always set these regs to a sane value. Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/r100.c | 14 ++++++++++++++ drivers/gpu/drm/radeon/r300.c | 3 +++ drivers/gpu/drm/radeon/r420.c | 3 +++ drivers/gpu/drm/radeon/radeon.h | 1 + 4 files changed, 21 insertions(+), 0 deletions(-) diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index a6af53a..ff6d881 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -1777,6 +1777,17 @@ int r100_gpu_reset(struct radeon_device *rdev) return 0; } +void r100_set_common_regs(struct radeon_device *rdev) +{ + /* set these so they don't interfere with anything */ + WREG32(RADEON_OV0_SCALE_CNTL, 0); + WREG32(RADEON_SUBPIC_CNTL, 0); + WREG32(RADEON_VIPH_CONTROL, 0); + WREG32(RADEON_I2C_CNTL_1, 0); + WREG32(RADEON_DVI_I2C_CNTL_1, 0); + WREG32(RADEON_CAP0_TRIG_CNTL, 0); + WREG32(RADEON_CAP1_TRIG_CNTL, 0); +} /* * VRAM info @@ -3231,6 +3242,9 @@ static int r100_startup(struct radeon_device *rdev) { int r; + /* set common regs */ + r100_set_common_regs(rdev); + /* program mc */ r100_mc_program(rdev); /* Resume clock */ r100_clock_startup(rdev); diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c index b3d1d8b..86065dc 100644 --- a/drivers/gpu/drm/radeon/r300.c +++ b/drivers/gpu/drm/radeon/r300.c @@ -1186,6 +1186,9 @@ static int r300_startup(struct radeon_device *rdev) { int r; + /* set common regs */ + r100_set_common_regs(rdev); + /* program mc */ r300_mc_program(rdev); /* Resume clock */ r300_clock_startup(rdev); diff --git a/drivers/gpu/drm/radeon/r420.c b/drivers/gpu/drm/radeon/r420.c index d72f043..162c390 100644 --- a/drivers/gpu/drm/radeon/r420.c +++ b/drivers/gpu/drm/radeon/r420.c @@ -169,6 +169,9 @@ static int r420_startup(struct radeon_device *rdev) { int r; + /* set common regs */ + r100_set_common_regs(rdev); + /* program mc */ r300_mc_program(rdev); /* Resume clock */ r420_clock_resume(rdev); diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 026af6a..9975324 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -1052,6 +1052,7 @@ 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); +extern void r100_set_common_regs(struct radeon_device *rdev); /* rv200,rv250,rv280 */ extern void r200_set_safe_registers(struct radeon_device *rdev); -- 1.5.6.3