From ba7e05e95880ad80f012555fb8e925cb1f9a5d63 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Thu, 16 Jun 2011 18:14:22 +0000 Subject: [PATCH] drm/radeon/kms: fix num crtcs for Cedar and Caicos Only support 4 rather than 6. Signed-off-by: Alex Deucher Signed-off-by: Dave Airlie --- drivers/gpu/drm/radeon/radeon_asic.c | 31 +++++++++++++++++++------------ 1 file changed, 19 insertions(+), 12 deletions(-) diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c index 9bd162f..b244962 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.c +++ b/drivers/gpu/drm/radeon/radeon_asic.c @@ -938,6 +938,13 @@ static struct radeon_asic cayman_asic = { int radeon_asic_init(struct radeon_device *rdev) { radeon_register_accessor_init(rdev); + + /* set the number of crtcs */ + if (rdev->flags & RADEON_SINGLE_CRTC) + rdev->num_crtc = 1; + else + rdev->num_crtc = 2; + switch (rdev->family) { case CHIP_R100: case CHIP_RV100: @@ -1017,6 +1024,11 @@ int radeon_asic_init(struct radeon_device *rdev) case CHIP_JUNIPER: case CHIP_CYPRESS: case CHIP_HEMLOCK: + /* set num crtcs */ + if (rdev->family == CHIP_CEDAR) + rdev->num_crtc = 4; + else + rdev->num_crtc = 6; rdev->asic = &evergreen_asic; break; case CHIP_PALM: @@ -1027,10 +1039,17 @@ int radeon_asic_init(struct radeon_device *rdev) case CHIP_BARTS: case CHIP_TURKS: case CHIP_CAICOS: + /* set num crtcs */ + if (rdev->family == CHIP_CAICOS) + rdev->num_crtc = 4; + else + rdev->num_crtc = 6; rdev->asic = &btc_asic; break; case CHIP_CAYMAN: rdev->asic = &cayman_asic; + /* set num crtcs */ + rdev->num_crtc = 6; break; default: /* FIXME: not supported yet */ @@ -1042,18 +1061,6 @@ int radeon_asic_init(struct radeon_device *rdev) rdev->asic->set_memory_clock = NULL; } - /* set the number of crtcs */ - if (rdev->flags & RADEON_SINGLE_CRTC) - rdev->num_crtc = 1; - else { - if (ASIC_IS_DCE41(rdev)) - rdev->num_crtc = 2; - else if (ASIC_IS_DCE4(rdev)) - rdev->num_crtc = 6; - else - rdev->num_crtc = 2; - } - return 0; } -- 2.7.4