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drm/radeon/kms/evergreen: setup and enable the CP

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The command processor (CP) fetches command buffers and
feeds the GPU.  This patch requires the evergreen
family me and pfp ucode files.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2010-03-24 13:36:43 -04:00 • committed by Dave Airlie
parent 32fcdbf408
commit fe251e2fff
6 changed files with 154 additions and 32 deletions
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10
drivers/gpu/drm/radeon/rv770.c
View file

@ -236,7 +236,6 @@ void r700_cp_stop(struct radeon_device *rdev)
WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
}
static int rv770_cp_load_microcode(struct radeon_device *rdev)
{
const __be32 *fw_data;
@ -271,6 +270,11 @@ static int rv770_cp_load_microcode(struct radeon_device *rdev)
return 0;
}
void r700_cp_fini(struct radeon_device *rdev)
{
r700_cp_stop(rdev);
radeon_ring_fini(rdev);
}
/*
* Core functions
@ -1125,7 +1129,7 @@ int rv770_init(struct radeon_device *rdev)
r = rv770_startup(rdev);
if (r) {
dev_err(rdev->dev, "disabling GPU acceleration\n");
r600_cp_fini(rdev);
r700_cp_fini(rdev);
r600_wb_fini(rdev);
r600_irq_fini(rdev);
radeon_irq_kms_fini(rdev);
@ -1159,7 +1163,7 @@ void rv770_fini(struct radeon_device *rdev)
{
radeon_pm_fini(rdev);
r600_blit_fini(rdev);
r600_cp_fini(rdev);
r700_cp_fini(rdev);
r600_wb_fini(rdev);
r600_irq_fini(rdev);
radeon_irq_kms_fini(rdev);