From 94f7bf647315472c80b8368c849739038e5620a3 Mon Sep 17 00:00:00 2001 From: Tormod Volden Date: Thu, 22 Apr 2010 16:57:32 -0400 Subject: drm/radeon: 9800 SE has only one quadpipe Although these cards have 2 pipelines on the silicon only the first passed the QA and the other should be disabled. http://www.digital-daily.com/video/ati-radeon9800se/ http://www.rojakpot.com/showarticle.aspx?artno=101&pgno=1 agd5f: add some other SE cards as well; fix up kms Signed-off-by: Tormod Volden Signed-off-by: Alex Deucher Signed-off-by: Dave Airlie --- drivers/gpu/drm/radeon/r420.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers/gpu/drm/radeon/r420.c') diff --git a/drivers/gpu/drm/radeon/r420.c b/drivers/gpu/drm/radeon/r420.c index 0b8603ca697..100af6570b0 100644 --- a/drivers/gpu/drm/radeon/r420.c +++ b/drivers/gpu/drm/radeon/r420.c @@ -58,6 +58,12 @@ void r420_pipes_init(struct radeon_device *rdev) /* get max number of pipes */ gb_pipe_select = RREG32(0x402C); num_pipes = ((gb_pipe_select >> 12) & 3) + 1; + + /* SE chips have 1 pipe */ + if ((rdev->pdev->device == 0x5e4c) || + (rdev->pdev->device == 0x5e4f)) + num_pipes = 1; + rdev->num_gb_pipes = num_pipes; tmp = 0; switch (num_pipes) { -- cgit v1.2.3-70-g09d2