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radeon: Add functions to set sclk/mclk using atombios

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This commit is contained in:
Alex Deucher
2009-03-31 17:24:29 -04:00
parent adb0994097
commit 533d01a593
2 changed files with 59 additions and 0 deletions
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53
src/radeon_atombios.c
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@@ -571,6 +571,59 @@ atombios_static_pwrmgt_setup(ScrnInfoPtr pScrn, Bool enable)
}
int
atombios_set_engine_clock(ScrnInfoPtr pScrn, int engclock)
{
RADEONInfoPtr info = RADEONPTR(pScrn);
SET_ENGINE_CLOCK_PS_ALLOCATION eng_clock_ps;
AtomBiosArgRec data;
unsigned char *space;
RADEONWaitForIdleMMIO(pScrn);
eng_clock_ps.ulTargetEngineClock = engclock; /* 10 khz */
/*ErrorF("Attempting to set engine clock to: %d\n", engclock);*/
data.exec.index = GetIndexIntoMasterTable(COMMAND, SetEngineClock);
data.exec.dataSpace = (void *)&space;
data.exec.pspace = &eng_clock_ps;
if (RHDAtomBiosFunc(info->atomBIOS->scrnIndex, info->atomBIOS, ATOMBIOS_EXEC, &data) == ATOM_SUCCESS) {
/* ErrorF("Set engine clock success\n"); */
return ATOM_SUCCESS;
}
/* ErrorF("Set engine clock failed\n"); */
return ATOM_NOT_IMPLEMENTED;
}
int
atombios_set_memory_clock(ScrnInfoPtr pScrn, int memclock)
{
RADEONInfoPtr info = RADEONPTR(pScrn);
SET_MEMORY_CLOCK_PS_ALLOCATION mem_clock_ps;
AtomBiosArgRec data;
unsigned char *space;
if (info->IsIGP)
return ATOM_SUCCESS;
RADEONWaitForIdleMMIO(pScrn);
mem_clock_ps.ulTargetMemoryClock = memclock; /* 10 khz */
/* ErrorF("Attempting to set mem clock to: %d\n", memclock); */
data.exec.index = GetIndexIntoMasterTable(COMMAND, SetMemoryClock);
data.exec.dataSpace = (void *)&space;
data.exec.pspace = &mem_clock_ps;
if (RHDAtomBiosFunc(info->atomBIOS->scrnIndex, info->atomBIOS, ATOMBIOS_EXEC, &data) == ATOM_SUCCESS) {
/* ErrorF("Set memory clock success\n"); */
return ATOM_SUCCESS;
}
/* ErrorF("Set memory clock failed\n"); */
return ATOM_NOT_IMPLEMENTED;
}
# endif
static AtomBiosResult

6
src/radeon_atombios.h
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@@ -122,6 +122,12 @@ atombios_clk_gating_setup(ScrnInfoPtr pScrn, Bool enable);
extern int
atombios_static_pwrmgt_setup(ScrnInfoPtr pScrn, Bool enable);
extern int
atombios_set_engine_clock(ScrnInfoPtr pScrn, int engclock);
extern int
atombios_set_memory_clock(ScrnInfoPtr pScrn, int memclock);
extern Bool
RADEONGetATOMTVInfo(xf86OutputPtr output);