diff options
| author | Rafał Miłecki <zajec5@gmail.com> | 2010-02-18 21:24:28 +0100 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-02-23 00:48:56 +0100 |
| commit | aa5120d2ef228042416d3023fb7eda9ee487dcf9 (patch) | |
| tree | 802a097e3d3b18f91113f47f02bbd091b9409698 /drivers/gpu | |
| parent | drm/radeon/kms: for downclocking non-mobility check PERFORMANCE state (diff) | |
| download | linux-aa5120d2ef228042416d3023fb7eda9ee487dcf9.tar.xz linux-aa5120d2ef228042416d3023fb7eda9ee487dcf9.zip | |
drm/radeon/kms: implement reading active PCIE lanes on R600+
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/radeon/r300.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_asic.h | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_pm.c | 2 |
4 files changed, 10 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c index b188aae764cc..dc32cd13a837 100644 --- a/drivers/gpu/drm/radeon/r300.c +++ b/drivers/gpu/drm/radeon/r300.c @@ -554,7 +554,10 @@ int rv370_get_pcie_lanes(struct radeon_device *rdev) /* FIXME wait for idle */ - link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL); + if (rdev->family < CHIP_R600) + link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL); + else + link_width_cntl = RREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL); switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) { case RADEON_PCIE_LC_LINK_WIDTH_X0: diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index fc9044edc0aa..2434d553bbbc 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -1014,6 +1014,8 @@ static inline void r100_mm_wreg(struct radeon_device *rdev, uint32_t reg, uint32 #define WREG32_MC(reg, v) rdev->mc_wreg(rdev, (reg), (v)) #define RREG32_PCIE(reg) rv370_pcie_rreg(rdev, (reg)) #define WREG32_PCIE(reg, v) rv370_pcie_wreg(rdev, (reg), (v)) +#define RREG32_PCIE_P(reg) rdev->pciep_rreg(rdev, (reg)) +#define WREG32_PCIE_P(reg, v) rdev->pciep_wreg(rdev, (reg), (v)) #define WREG32_P(reg, val, mask) \ do { \ uint32_t tmp_ = RREG32(reg); \ diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h index b7030d7c0396..4572a6699884 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.h +++ b/drivers/gpu/drm/radeon/radeon_asic.h @@ -626,7 +626,7 @@ static struct radeon_asic r600_asic = { .set_engine_clock = &radeon_atom_set_engine_clock, .get_memory_clock = &radeon_atom_get_memory_clock, .set_memory_clock = &radeon_atom_set_memory_clock, - .get_pcie_lanes = NULL, + .get_pcie_lanes = &rv370_get_pcie_lanes, .set_pcie_lanes = NULL, .set_clock_gating = NULL, .set_surface_reg = r600_set_surface_reg, @@ -672,7 +672,7 @@ static struct radeon_asic rv770_asic = { .set_engine_clock = &radeon_atom_set_engine_clock, .get_memory_clock = &radeon_atom_get_memory_clock, .set_memory_clock = &radeon_atom_set_memory_clock, - .get_pcie_lanes = NULL, + .get_pcie_lanes = &rv370_get_pcie_lanes, .set_pcie_lanes = NULL, .set_clock_gating = &radeon_atom_set_clock_gating, .set_surface_reg = r600_set_surface_reg, diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index d174d93c9386..d4d1c39a0e99 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -442,6 +442,8 @@ static int radeon_debugfs_pm_info(struct seq_file *m, void *data) seq_printf(m, "default memory clock: %u0 kHz\n", rdev->clock.default_mclk); if (rdev->asic->get_memory_clock) seq_printf(m, "current memory clock: %u0 kHz\n", radeon_get_memory_clock(rdev)); + if (rdev->asic->get_pcie_lanes) + seq_printf(m, "PCIE lanes: %d\n", radeon_get_pcie_lanes(rdev)); return 0; } |