Use intel_<uncore/de>_read instead of I915_READ to read the
informational registers.
Extended from an original sseu-only patch by Sandeep.
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@xxxxxxxxx>
Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
Cc: Andi Shyti <andi.shyti@xxxxxxxxx>
Cc: Venkata Sandeep Dhanalakota <venkata.s.dhanalakota@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_device_info.c | 77 +++++++++++++++---------
1 file changed, 47 insertions(+), 30 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c
index 544ac61fbc36..c27a56aff5de 100644
--- a/drivers/gpu/drm/i915/intel_device_info.c
+++ b/drivers/gpu/drm/i915/intel_device_info.c
@@ -26,6 +26,7 @@
#include <drm/i915_pciids.h>
#include "display/intel_cdclk.h"
+#include "display/intel_de.h"
#include "intel_device_info.h"
#include "i915_drv.h"
@@ -237,6 +238,7 @@ static void gen11_compute_sseu_info(struct sseu_dev_info *sseu,
static void gen12_sseu_info_init(struct drm_i915_private *dev_priv)
{
struct sseu_dev_info *sseu = &RUNTIME_INFO(dev_priv)->sseu;
+ struct intel_uncore *uncore = &dev_priv->uncore;
u8 s_en;
u32 dss_en;
u16 eu_en = 0;
@@ -250,12 +252,14 @@ static void gen12_sseu_info_init(struct drm_i915_private *dev_priv)
*/
intel_sseu_set_info(sseu, 1, 6, 16);
- s_en = I915_READ(GEN11_GT_SLICE_ENABLE) & GEN11_GT_S_ENA_MASK;
+ s_en = intel_uncore_read(uncore, GEN11_GT_SLICE_ENABLE) &
+ GEN11_GT_S_ENA_MASK;
- dss_en = I915_READ(GEN12_GT_DSS_ENABLE);
+ dss_en = intel_uncore_read(uncore, GEN12_GT_DSS_ENABLE);
/* one bit per pair of EUs */
- eu_en_fuse = ~(I915_READ(GEN11_EU_DISABLE) & GEN11_EU_DIS_MASK);
+ eu_en_fuse = ~(intel_uncore_read(uncore, GEN11_EU_DISABLE) &
+ GEN11_EU_DIS_MASK);
for (eu = 0; eu < sseu->max_eus_per_subslice / 2; eu++)
if (eu_en_fuse & BIT(eu))
eu_en |= BIT(eu * 2) | BIT(eu * 2 + 1);
@@ -269,6 +273,7 @@ static void gen12_sseu_info_init(struct drm_i915_private *dev_priv)
static void gen11_sseu_info_init(struct drm_i915_private *dev_priv)
{
struct sseu_dev_info *sseu = &RUNTIME_INFO(dev_priv)->sseu;
+ struct intel_uncore *uncore = &dev_priv->uncore;
u8 s_en;
u32 ss_en;
u8 eu_en;
@@ -278,9 +283,12 @@ static void gen11_sseu_info_init(struct drm_i915_private *dev_priv)
else
intel_sseu_set_info(sseu, 1, 8, 8);
- s_en = I915_READ(GEN11_GT_SLICE_ENABLE) & GEN11_GT_S_ENA_MASK;
- ss_en = ~I915_READ(GEN11_GT_SUBSLICE_DISABLE);
- eu_en = ~(I915_READ(GEN11_EU_DISABLE) & GEN11_EU_DIS_MASK);
+ s_en = intel_uncore_read(uncore, GEN11_GT_SLICE_ENABLE) &
+ GEN11_GT_S_ENA_MASK;
+ ss_en = ~intel_uncore_read(uncore, GEN11_GT_SUBSLICE_DISABLE);
+
+ eu_en = ~(intel_uncore_read(uncore, GEN11_EU_DISABLE) &
+ GEN11_EU_DIS_MASK);
gen11_compute_sseu_info(sseu, s_en, ss_en, eu_en);
@@ -292,8 +300,9 @@ static void gen11_sseu_info_init(struct drm_i915_private *dev_priv)
static void gen10_sseu_info_init(struct drm_i915_private *dev_priv)
{
+ struct intel_uncore *uncore = &dev_priv->uncore;
struct sseu_dev_info *sseu = &RUNTIME_INFO(dev_priv)->sseu;
- const u32 fuse2 = I915_READ(GEN8_FUSE2);
+ const u32 fuse2 = intel_uncore_read(uncore, GEN8_FUSE2);
int s, ss;
const int eu_mask = 0xff;
u32 subslice_mask, eu_en;
@@ -304,26 +313,26 @@ static void gen10_sseu_info_init(struct drm_i915_private *dev_priv)
GEN10_F2_S_ENA_SHIFT;
/* Slice0 */
- eu_en = ~I915_READ(GEN8_EU_DISABLE0);
+ eu_en = ~intel_uncore_read(uncore, GEN8_EU_DISABLE0);
for (ss = 0; ss < sseu->max_subslices; ss++)
sseu_set_eus(sseu, 0, ss, (eu_en >> (8 * ss)) & eu_mask);
/* Slice1 */
sseu_set_eus(sseu, 1, 0, (eu_en >> 24) & eu_mask);
- eu_en = ~I915_READ(GEN8_EU_DISABLE1);
+ eu_en = ~intel_uncore_read(uncore, GEN8_EU_DISABLE1);
sseu_set_eus(sseu, 1, 1, eu_en & eu_mask);
/* Slice2 */
sseu_set_eus(sseu, 2, 0, (eu_en >> 8) & eu_mask);
sseu_set_eus(sseu, 2, 1, (eu_en >> 16) & eu_mask);
/* Slice3 */
sseu_set_eus(sseu, 3, 0, (eu_en >> 24) & eu_mask);
- eu_en = ~I915_READ(GEN8_EU_DISABLE2);
+ eu_en = ~intel_uncore_read(uncore, GEN8_EU_DISABLE2);
sseu_set_eus(sseu, 3, 1, eu_en & eu_mask);
/* Slice4 */
sseu_set_eus(sseu, 4, 0, (eu_en >> 8) & eu_mask);
sseu_set_eus(sseu, 4, 1, (eu_en >> 16) & eu_mask);
/* Slice5 */
sseu_set_eus(sseu, 5, 0, (eu_en >> 24) & eu_mask);
- eu_en = ~I915_READ(GEN10_EU_DISABLE3);
+ eu_en = ~intel_uncore_read(uncore, GEN10_EU_DISABLE3);
sseu_set_eus(sseu, 5, 1, eu_en & eu_mask);
subslice_mask = (1 << 4) - 1;
@@ -372,7 +381,7 @@ static void cherryview_sseu_info_init(struct drm_i915_private *dev_priv)
u32 fuse;
u8 subslice_mask = 0;
- fuse = I915_READ(CHV_FUSE_GT);
+ fuse = intel_uncore_read(&dev_priv->uncore, CHV_FUSE_GT);
sseu->slice_mask = BIT(0);
intel_sseu_set_info(sseu, 1, 2, 8);
@@ -425,11 +434,12 @@ static void gen9_sseu_info_init(struct drm_i915_private *dev_priv)
{
struct intel_device_info *info = mkwrite_device_info(dev_priv);
struct sseu_dev_info *sseu = &RUNTIME_INFO(dev_priv)->sseu;
+ struct intel_uncore *uncore = &dev_priv->uncore;
int s, ss;
u32 fuse2, eu_disable, subslice_mask;
const u8 eu_mask = 0xff;
- fuse2 = I915_READ(GEN8_FUSE2);
+ fuse2 = intel_uncore_read(uncore, GEN8_FUSE2);
sseu->slice_mask = (fuse2 & GEN8_F2_S_ENA_MASK) >> GEN8_F2_S_ENA_SHIFT;
/* BXT has a single slice and at most 3 subslices. */
@@ -455,7 +465,7 @@ static void gen9_sseu_info_init(struct drm_i915_private *dev_priv)
intel_sseu_set_subslices(sseu, s, subslice_mask);
- eu_disable = I915_READ(GEN9_EU_DISABLE(s));
+ eu_disable = intel_uncore_read(uncore, GEN9_EU_DISABLE(s));
for (ss = 0; ss < sseu->max_subslices; ss++) {
int eu_per_ss;
u8 eu_disabled_mask;
@@ -528,10 +538,12 @@ static void gen9_sseu_info_init(struct drm_i915_private *dev_priv)
static void bdw_sseu_info_init(struct drm_i915_private *dev_priv)
{
struct sseu_dev_info *sseu = &RUNTIME_INFO(dev_priv)->sseu;
+ struct intel_uncore *uncore = &dev_priv->uncore;
int s, ss;
u32 fuse2, subslice_mask, eu_disable[3]; /* s_max */
+ u32 eu_disable0, eu_disable1, eu_disable2;
- fuse2 = I915_READ(GEN8_FUSE2);
+ fuse2 = intel_uncore_read(uncore, GEN8_FUSE2);
sseu->slice_mask = (fuse2 & GEN8_F2_S_ENA_MASK) >> GEN8_F2_S_ENA_SHIFT;
intel_sseu_set_info(sseu, 3, 3, 8);
@@ -542,13 +554,15 @@ static void bdw_sseu_info_init(struct drm_i915_private *dev_priv)
subslice_mask = GENMASK(sseu->max_subslices - 1, 0);
subslice_mask &= ~((fuse2 & GEN8_F2_SS_DIS_MASK) >>
GEN8_F2_SS_DIS_SHIFT);
-
- eu_disable[0] = I915_READ(GEN8_EU_DISABLE0) & GEN8_EU_DIS0_S0_MASK;
- eu_disable[1] = (I915_READ(GEN8_EU_DISABLE0) >> GEN8_EU_DIS0_S1_SHIFT) |
- ((I915_READ(GEN8_EU_DISABLE1) & GEN8_EU_DIS1_S1_MASK) <<
+ eu_disable0 = intel_uncore_read(uncore, GEN8_EU_DISABLE0);
+ eu_disable1 = intel_uncore_read(uncore, GEN8_EU_DISABLE1);
+ eu_disable2 = intel_uncore_read(uncore, GEN8_EU_DISABLE2);
+ eu_disable[0] = eu_disable0 & GEN8_EU_DIS0_S0_MASK;
+ eu_disable[1] = (eu_disable0 >> GEN8_EU_DIS0_S1_SHIFT) |
+ ((eu_disable1 & GEN8_EU_DIS1_S1_MASK) <<
(32 - GEN8_EU_DIS0_S1_SHIFT));
- eu_disable[2] = (I915_READ(GEN8_EU_DISABLE1) >> GEN8_EU_DIS1_S2_SHIFT) |
- ((I915_READ(GEN8_EU_DISABLE2) & GEN8_EU_DIS2_S2_MASK) <<
+ eu_disable[2] = (eu_disable1 >> GEN8_EU_DIS1_S2_SHIFT) |
+ ((eu_disable2 & GEN8_EU_DIS2_S2_MASK) <<
(32 - GEN8_EU_DIS1_S2_SHIFT));
/*
@@ -635,7 +649,7 @@ static void hsw_sseu_info_init(struct drm_i915_private *dev_priv)
break;
}
- fuse1 = I915_READ(HSW_PAVP_FUSE1);
+ fuse1 = intel_uncore_read(&dev_priv->uncore, HSW_PAVP_FUSE1);
switch ((fuse1 & HSW_F1_EU_DIS_MASK) >> HSW_F1_EU_DIS_SHIFT) {
default:
MISSING_CASE((fuse1 & HSW_F1_EU_DIS_MASK) >>
@@ -675,7 +689,8 @@ static void hsw_sseu_info_init(struct drm_i915_private *dev_priv)
static u32 read_reference_ts_freq(struct drm_i915_private *dev_priv)
{
- u32 ts_override = I915_READ(GEN9_TIMESTAMP_OVERRIDE);
+ u32 ts_override = intel_uncore_read(&dev_priv->uncore,
+ GEN9_TIMESTAMP_OVERRIDE);
u32 base_freq, frac_freq;
base_freq = ((ts_override & GEN9_TIMESTAMP_OVERRIDE_US_COUNTER_DIVIDER_MASK) >>
@@ -738,6 +753,7 @@ static u32 gen11_get_crystal_clock_freq(struct drm_i915_private *dev_priv,
static u32 read_timestamp_frequency(struct drm_i915_private *dev_priv)
{
+ struct intel_uncore *uncore = &dev_priv->uncore;
u32 f12_5_mhz = 12500000;
u32 f19_2_mhz = 19200000;
u32 f24_mhz = 24000000;
@@ -759,7 +775,7 @@ static u32 read_timestamp_frequency(struct drm_i915_private *dev_priv)
*/
return f12_5_mhz;
} else if (INTEL_GEN(dev_priv) <= 9) {
- u32 ctc_reg = I915_READ(CTC_MODE);
+ u32 ctc_reg = intel_uncore_read(uncore, CTC_MODE);
u32 freq = 0;
if ((ctc_reg & CTC_SOURCE_PARAMETER_MASK) == CTC_SOURCE_DIVIDE_LOGIC) {
@@ -777,7 +793,7 @@ static u32 read_timestamp_frequency(struct drm_i915_private *dev_priv)
return freq;
} else if (INTEL_GEN(dev_priv) <= 12) {
- u32 ctc_reg = I915_READ(CTC_MODE);
+ u32 ctc_reg = intel_uncore_read(uncore, CTC_MODE);
u32 freq = 0;
/* First figure out the reference frequency. There are 2 ways
@@ -788,7 +804,7 @@ static u32 read_timestamp_frequency(struct drm_i915_private *dev_priv)
if ((ctc_reg & CTC_SOURCE_PARAMETER_MASK) == CTC_SOURCE_DIVIDE_LOGIC) {
freq = read_reference_ts_freq(dev_priv);
} else {
- u32 rpm_config_reg = I915_READ(RPM_CONFIG0);
+ u32 rpm_config_reg = intel_uncore_read(uncore, RPM_CONFIG0);
if (INTEL_GEN(dev_priv) <= 10)
freq = gen10_get_crystal_clock_freq(dev_priv,
@@ -967,8 +983,8 @@ void intel_device_info_runtime_init(struct drm_i915_private *dev_priv)
if (HAS_DISPLAY(dev_priv) && IS_GEN_RANGE(dev_priv, 7, 8) &&
HAS_PCH_SPLIT(dev_priv)) {
- u32 fuse_strap = I915_READ(FUSE_STRAP);
- u32 sfuse_strap = I915_READ(SFUSE_STRAP);
+ u32 fuse_strap = intel_de_read(dev_priv, FUSE_STRAP);
+ u32 sfuse_strap = intel_de_read(dev_priv, SFUSE_STRAP);
/*
* SFUSE_STRAP is supposed to have a bit signalling the display
@@ -993,7 +1009,7 @@ void intel_device_info_runtime_init(struct drm_i915_private *dev_priv)
info->cpu_transcoder_mask &= ~BIT(TRANSCODER_C);
}
} else if (HAS_DISPLAY(dev_priv) && INTEL_GEN(dev_priv) >= 9) {
- u32 dfsm = I915_READ(SKL_DFSM);
+ u32 dfsm = intel_de_read(dev_priv, SKL_DFSM);
if (dfsm & SKL_DFSM_PIPE_A_DISABLE) {
info->pipe_mask &= ~BIT(PIPE_A);
@@ -1083,6 +1099,7 @@ void intel_driver_caps_print(const struct intel_driver_caps *caps,
void intel_device_info_init_mmio(struct drm_i915_private *dev_priv)
{
struct intel_device_info *info = mkwrite_device_info(dev_priv);
+ struct intel_uncore *uncore = &dev_priv->uncore;
unsigned int logical_vdbox = 0;
unsigned int i;
u32 media_fuse;
@@ -1092,7 +1109,7 @@ void intel_device_info_init_mmio(struct drm_i915_private *dev_priv)
if (INTEL_GEN(dev_priv) < 11)
return;
- media_fuse = ~I915_READ(GEN11_GT_VEBOX_VDBOX_DISABLE);
+ media_fuse = ~intel_uncore_read(uncore, GEN11_GT_VEBOX_VDBOX_DISABLE);
vdbox_mask = media_fuse & GEN11_GT_VDBOX_DISABLE_MASK;
vebox_mask = (media_fuse & GEN11_GT_VEBOX_DISABLE_MASK) >>
