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path: root/drivers/gpu/drm/i915/gt/intel_gt_clock_utils.c
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Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_gt_clock_utils.c')
-rw-r--r--drivers/gpu/drm/i915/gt/intel_gt_clock_utils.c16
1 files changed, 6 insertions, 10 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_clock_utils.c b/drivers/gpu/drm/i915/gt/intel_gt_clock_utils.c
index 6e63505fe478..aecd120972ea 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_clock_utils.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt_clock_utils.c
@@ -4,12 +4,12 @@
*/
#include "i915_drv.h"
+#include "i915_freq.h"
#include "i915_reg.h"
#include "intel_gt.h"
#include "intel_gt_clock_utils.h"
#include "intel_gt_print.h"
#include "intel_gt_regs.h"
-#include "soc/intel_dram.h"
static u32 read_reference_ts_freq(struct intel_uncore *uncore)
{
@@ -35,9 +35,7 @@ static u32 gen11_get_crystal_clock_freq(struct intel_uncore *uncore,
u32 f24_mhz = 24000000;
u32 f25_mhz = 25000000;
u32 f38_4_mhz = 38400000;
- u32 crystal_clock =
- (rpm_config_reg & GEN11_RPM_CONFIG0_CRYSTAL_CLOCK_FREQ_MASK) >>
- GEN11_RPM_CONFIG0_CRYSTAL_CLOCK_FREQ_SHIFT;
+ u32 crystal_clock = rpm_config_reg & GEN11_RPM_CONFIG0_CRYSTAL_CLOCK_FREQ_MASK;
switch (crystal_clock) {
case GEN11_RPM_CONFIG0_CRYSTAL_CLOCK_FREQ_24_MHZ:
@@ -80,8 +78,7 @@ static u32 gen11_read_clock_frequency(struct intel_uncore *uncore)
* register increments from this frequency (it might
* increment only every few clock cycle).
*/
- freq >>= 3 - ((c0 & GEN10_RPM_CONFIG0_CTC_SHIFT_PARAMETER_MASK) >>
- GEN10_RPM_CONFIG0_CTC_SHIFT_PARAMETER_SHIFT);
+ freq >>= 3 - REG_FIELD_GET(GEN10_RPM_CONFIG0_CTC_SHIFT_PARAMETER_MASK, c0);
}
return freq;
@@ -102,8 +99,7 @@ static u32 gen9_read_clock_frequency(struct intel_uncore *uncore)
* register increments from this frequency (it might
* increment only every few clock cycle).
*/
- freq >>= 3 - ((ctc_reg & CTC_SHIFT_PARAMETER_MASK) >>
- CTC_SHIFT_PARAMETER_SHIFT);
+ freq >>= 3 - REG_FIELD_GET(CTC_SHIFT_PARAMETER_MASK, ctc_reg);
}
return freq;
@@ -209,7 +205,7 @@ static u64 div_u64_roundup(u64 nom, u32 den)
u64 intel_gt_clock_interval_to_ns(const struct intel_gt *gt, u64 count)
{
- return div_u64_roundup(count * NSEC_PER_SEC, gt->clock_frequency);
+ return mul_u64_u32_div(count, NSEC_PER_SEC, gt->clock_frequency);
}
u64 intel_gt_pm_interval_to_ns(const struct intel_gt *gt, u64 count)
@@ -219,7 +215,7 @@ u64 intel_gt_pm_interval_to_ns(const struct intel_gt *gt, u64 count)
u64 intel_gt_ns_to_clock_interval(const struct intel_gt *gt, u64 ns)
{
- return div_u64_roundup(gt->clock_frequency * ns, NSEC_PER_SEC);
+ return mul_u64_u32_div(ns, gt->clock_frequency, NSEC_PER_SEC);
}
u64 intel_gt_ns_to_pm_interval(const struct intel_gt *gt, u64 ns)