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drm/radeon/kms: enable memory clock reading on legacy (V2)

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V2: detect IGP cards (which don't have own memory)

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Acked-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Rafał Miłecki 2009-12-17 13:50:09 +01:00 committed by Dave Airlie
parent c31ad97f18
commit 5ea597f376
3 changed files with 11 additions and 4 deletions
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7
drivers/gpu/drm/radeon/radeon_asic.h
View File

@ -33,6 +33,7 @@
*/
uint32_t radeon_legacy_get_engine_clock(struct radeon_device *rdev);
void radeon_legacy_set_engine_clock(struct radeon_device *rdev, uint32_t eng_clock);
uint32_t radeon_legacy_get_memory_clock(struct radeon_device *rdev);
void radeon_legacy_set_clock_gating(struct radeon_device *rdev, int enable);
uint32_t radeon_atom_get_engine_clock(struct radeon_device *rdev);
@ -106,7 +107,7 @@ static struct radeon_asic r100_asic = {
.copy = &r100_copy_blit,
.get_engine_clock = &radeon_legacy_get_engine_clock,
.set_engine_clock = &radeon_legacy_set_engine_clock,
.get_memory_clock = NULL,
.get_memory_clock = &radeon_legacy_get_memory_clock,
.set_memory_clock = NULL,
.set_pcie_lanes = NULL,
.set_clock_gating = &radeon_legacy_set_clock_gating,
@ -166,7 +167,7 @@ static struct radeon_asic r300_asic = {
.copy = &r100_copy_blit,
.get_engine_clock = &radeon_legacy_get_engine_clock,
.set_engine_clock = &radeon_legacy_set_engine_clock,
.get_memory_clock = NULL,
.get_memory_clock = &radeon_legacy_get_memory_clock,
.set_memory_clock = NULL,
.set_pcie_lanes = &rv370_set_pcie_lanes,
.set_clock_gating = &radeon_legacy_set_clock_gating,
@ -259,7 +260,7 @@ static struct radeon_asic rs400_asic = {
.copy = &r100_copy_blit,
.get_engine_clock = &radeon_legacy_get_engine_clock,
.set_engine_clock = &radeon_legacy_set_engine_clock,
.get_memory_clock = NULL,
.get_memory_clock = &radeon_legacy_get_memory_clock,
.set_memory_clock = NULL,
.set_pcie_lanes = NULL,
.set_clock_gating = &radeon_legacy_set_clock_gating,

2
drivers/gpu/drm/radeon/radeon_clocks.c
View File

@ -62,7 +62,7 @@ uint32_t radeon_legacy_get_engine_clock(struct radeon_device *rdev)
}
/* 10 khz */
static uint32_t radeon_legacy_get_memory_clock(struct radeon_device *rdev)
uint32_t radeon_legacy_get_memory_clock(struct radeon_device *rdev)
{
struct radeon_pll *mpll = &rdev->clock.mpll;
uint32_t fb_div, ref_div, post_div, mclk;

6
drivers/gpu/drm/radeon/radeon_device.c
View File

@ -391,6 +391,12 @@ int radeon_asic_init(struct radeon_device *rdev)
/* FIXME: not supported yet */
return -EINVAL;
}
if (rdev->flags & RADEON_IS_IGP) {
rdev->asic->get_memory_clock = NULL;
rdev->asic->set_memory_clock = NULL;
}
return 0;
}