[Intel-gfx] [PATCH] Revert "drm/i915/color: Extract icl_read_luts()"
Jani Nikula
jani.nikula at intel.com
Wed Sep 25 08:41:21 UTC 2019
On Wed, 25 Sep 2019, "Saarinen, Jani" <jani.saarinen at intel.com> wrote:
> Hi,
>
>> -----Original Message-----
>> From: Intel-gfx <intel-gfx-bounces at lists.freedesktop.org> On Behalf Of Swati
>> Sharma
>> Sent: tiistai 24. syyskuuta 2019 16.58
>> To: intel-gfx at lists.freedesktop.org
>> Cc: Nikula, Jani <jani.nikula at intel.com>; daniel.vetter at ffwll.ch; Nautiyal, Ankit K
>> <ankit.k.nautiyal at intel.com>
>> Subject: [Intel-gfx] [PATCH] Revert "drm/i915/color: Extract icl_read_luts()"
>>
>> This reverts commit 84af7649188194a74cdd6437235a5e3c86108f0f.
>>
>> This is causing problems with the display, displays are all bright colors.
>
> Tested-by: Jani Saarinen <jani.saarinen at intel.com>
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111809
Apologies, missed these before pushing. :(
BR,
Jani.
>
>>
>> Signed-off-by: Swati Sharma <swati2.sharma at intel.com>
>> ---
>> drivers/gpu/drm/i915/display/intel_color.c | 126 +++------------------
>> drivers/gpu/drm/i915/i915_reg.h | 6 -
>> 2 files changed, 15 insertions(+), 117 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/i915/display/intel_color.c
>> b/drivers/gpu/drm/i915/display/intel_color.c
>> index 402151128e1f..9ab34902663e 100644
>> --- a/drivers/gpu/drm/i915/display/intel_color.c
>> +++ b/drivers/gpu/drm/i915/display/intel_color.c
>> @@ -1420,9 +1420,6 @@ static int icl_color_check(struct intel_crtc_state
>> *crtc_state)
>>
>> static int i9xx_gamma_precision(const struct intel_crtc_state *crtc_state) {
>> - if (!crtc_state->gamma_enable)
>> - return 0;
>> -
>> switch (crtc_state->gamma_mode) {
>> case GAMMA_MODE_MODE_8BIT:
>> return 8;
>> @@ -1436,9 +1433,6 @@ static int i9xx_gamma_precision(const struct
>> intel_crtc_state *crtc_state)
>>
>> static int ilk_gamma_precision(const struct intel_crtc_state *crtc_state) {
>> - if (!crtc_state->gamma_enable)
>> - return 0;
>> -
>> if ((crtc_state->csc_mode & CSC_POSITION_BEFORE_GAMMA) == 0)
>> return 0;
>>
>> @@ -1455,9 +1449,6 @@ static int ilk_gamma_precision(const struct
>> intel_crtc_state *crtc_state)
>>
>> static int chv_gamma_precision(const struct intel_crtc_state *crtc_state) {
>> - if (!crtc_state->gamma_enable)
>> - return 0;
>> -
>> if (crtc_state->cgm_mode & CGM_PIPE_MODE_GAMMA)
>> return 10;
>> else
>> @@ -1466,9 +1457,6 @@ static int chv_gamma_precision(const struct
>> intel_crtc_state *crtc_state)
>>
>> static int glk_gamma_precision(const struct intel_crtc_state *crtc_state) {
>> - if (!crtc_state->gamma_enable)
>> - return 0;
>> -
>> switch (crtc_state->gamma_mode) {
>> case GAMMA_MODE_MODE_8BIT:
>> return 8;
>> @@ -1480,39 +1468,21 @@ static int glk_gamma_precision(const struct
>> intel_crtc_state *crtc_state)
>> }
>> }
>>
>> -static int icl_gamma_precision(const struct intel_crtc_state *crtc_state) -{
>> - if ((crtc_state->gamma_mode & POST_CSC_GAMMA_ENABLE) == 0)
>> - return 0;
>> -
>> - switch (crtc_state->gamma_mode & GAMMA_MODE_MODE_MASK) {
>> - case GAMMA_MODE_MODE_8BIT:
>> - return 8;
>> - case GAMMA_MODE_MODE_10BIT:
>> - return 10;
>> - case GAMMA_MODE_MODE_12BIT_MULTI_SEGMENTED:
>> - return 16;
>> - default:
>> - MISSING_CASE(crtc_state->gamma_mode);
>> - return 0;
>> - }
>> -
>> -}
>> -
>> int intel_color_get_gamma_bit_precision(const struct intel_crtc_state *crtc_state)
>> {
>> struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);
>> struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
>>
>> + if (!crtc_state->gamma_enable)
>> + return 0;
>> +
>> if (HAS_GMCH(dev_priv)) {
>> if (IS_CHERRYVIEW(dev_priv))
>> return
>> chv_gamma_precision(crtc_state);
>> else
>> return
>> i9xx_gamma_precision(crtc_state);
>> } else {
>> - if (INTEL_GEN(dev_priv) >= 11)
>> - return
>> icl_gamma_precision(crtc_state);
>> - else if (IS_CANNONLAKE(dev_priv) ||
>> IS_GEMINILAKE(dev_priv))
>> + if (IS_CANNONLAKE(dev_priv) ||
>> IS_GEMINILAKE(dev_priv))
>> return
>> glk_gamma_precision(crtc_state);
>> else if (IS_IRONLAKE(dev_priv))
>> return
>> ilk_gamma_precision(crtc_state); @@ -1543,20 +1513,6 @@ static bool
>> intel_color_lut_entry_equal(struct drm_color_lut *lut1,
>> return true;
>> }
>>
>> -static bool intel_color_lut_entry_multi_equal(struct drm_color_lut *lut1,
>> - struct
>> drm_color_lut *lut2,
>> - int
>> lut_size, u32 err)
>> -{
>> - int i;
>> -
>> - for (i = 0; i < 9; i++) {
>> - if (!err_check(&lut1[i], &lut2[i], err))
>> - return false;
>> - }
>> -
>> - return true;
>> -}
>> -
>> bool intel_color_lut_equal(struct drm_property_blob *blob1,
>> struct drm_property_blob *blob2,
>> u32 gamma_mode, u32 bit_precision)
>> @@ -1575,8 +1531,16 @@ bool intel_color_lut_equal(struct drm_property_blob
>> *blob1,
>> lut_size2 = drm_color_lut_size(blob2);
>>
>> /* check sw and hw lut size */
>> - if (lut_size1 != lut_size2)
>> - return false;
>> + switch (gamma_mode) {
>> + case GAMMA_MODE_MODE_8BIT:
>> + case GAMMA_MODE_MODE_10BIT:
>> + if (lut_size1 != lut_size2)
>> + return false;
>> + break;
>> + default:
>> + MISSING_CASE(gamma_mode);
>> + return false;
>> + }
>>
>> lut1 = blob1->data;
>> lut2 = blob2->data;
>> @@ -1584,18 +1548,13 @@ bool intel_color_lut_equal(struct drm_property_blob
>> *blob1,
>> err = 0xffff >> bit_precision;
>>
>> /* check sw and hw lut entry to be equal */
>> - switch (gamma_mode & GAMMA_MODE_MODE_MASK) {
>> + switch (gamma_mode) {
>> case GAMMA_MODE_MODE_8BIT:
>> case GAMMA_MODE_MODE_10BIT:
>> if (!intel_color_lut_entry_equal(lut1, lut2,
>>
>> lut_size2, err))
>> return false;
>> break;
>> - case GAMMA_MODE_MODE_12BIT_MULTI_SEGMENTED:
>> - if (!intel_color_lut_entry_multi_equal(lut1, lut2,
>> -
>> lut_size2, err))
>> - return false;
>> - break;
>> default:
>> MISSING_CASE(gamma_mode);
>> return false;
>> @@ -1835,60 +1794,6 @@ static void glk_read_luts(struct intel_crtc_state
>> *crtc_state)
>> crtc_state->base.gamma_lut =
>> glk_read_lut_10(crtc_state, PAL_PREC_INDEX_VALUE(0)); }
>>
>> -static struct drm_property_blob *
>> -icl_read_lut_multi_segment(const struct intel_crtc_state *crtc_state) -{
>> - struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);
>> - struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
>> - int lut_size = INTEL_INFO(dev_priv)->color.gamma_lut_size;
>> - enum pipe pipe = crtc->pipe;
>> - struct drm_property_blob *blob;
>> - struct drm_color_lut *blob_data;
>> - u32 i, val1, val2;
>> -
>> - blob = drm_property_create_blob(&dev_priv->drm,
>> -
>> sizeof(struct drm_color_lut) * lut_size,
>> - NULL);
>> - if (IS_ERR(blob))
>> - return NULL;
>> -
>> - blob_data = blob->data;
>> -
>> - I915_WRITE(PREC_PAL_MULTI_SEG_INDEX(pipe),
>> PAL_PREC_AUTO_INCREMENT);
>> -
>> - for (i = 0; i < 9; i++) {
>> - val1 =
>> I915_READ(PREC_PAL_MULTI_SEG_DATA(pipe));
>> - val2 =
>> I915_READ(PREC_PAL_MULTI_SEG_DATA(pipe));
>> -
>> - blob_data[i].red =
>> REG_FIELD_GET(PAL_PREC_MULTI_SEG_RED_UDW_MASK, val2) << 6 |
>> -
>> REG_FIELD_GET(PAL_PREC_MULTI_SEG_RED_LDW_MASK, val1);
>> - blob_data[i].green =
>> REG_FIELD_GET(PAL_PREC_MULTI_SEG_GREEN_UDW_MASK, val2) << 6 |
>> -
>> REG_FIELD_GET(PAL_PREC_MULTI_SEG_GREEN_LDW_MASK, val1);
>> - blob_data[i].blue =
>> REG_FIELD_GET(PAL_PREC_MULTI_SEG_BLUE_UDW_MASK, val2) << 6 |
>> -
>> REG_FIELD_GET(PAL_PREC_MULTI_SEG_BLUE_LDW_MASK, val1);
>> - }
>> -
>> - /*
>> - * FIXME readouts from PAL_PREC_DATA register aren't giving correct
>> values
>> - * in the case of fine and coarse segments. Restricting readouts only
>> for
>> - * super fine segment as of now.
>> - */
>> -
>> - return blob;
>> -}
>> -
>> -static void icl_read_luts(struct intel_crtc_state *crtc_state) -{
>> - if ((crtc_state->gamma_mode & GAMMA_MODE_MODE_MASK) ==
>> - GAMMA_MODE_MODE_8BIT)
>> - crtc_state->base.gamma_lut =
>> i9xx_read_lut_8(crtc_state);
>> - else if ((crtc_state->gamma_mode & GAMMA_MODE_MODE_MASK)
>> ==
>> - GAMMA_MODE_MODE_12BIT_MULTI_SEGMENTED)
>> - crtc_state->base.gamma_lut =
>> icl_read_lut_multi_segment(crtc_state);
>> - else
>> - crtc_state->base.gamma_lut =
>> glk_read_lut_10(crtc_state, PAL_PREC_INDEX_VALUE(0));
>> -}
>> -
>> void intel_color_init(struct intel_crtc *crtc) {
>> struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); @@ -
>> 1932,7 +1837,6 @@ void intel_color_init(struct intel_crtc *crtc)
>>
>> if (INTEL_GEN(dev_priv) >= 11) {
>> dev_priv->display.load_luts =
>> icl_load_luts;
>> - dev_priv->display.read_luts =
>> icl_read_luts;
>> } else if (IS_CANNONLAKE(dev_priv) ||
>> IS_GEMINILAKE(dev_priv)) {
>> dev_priv->display.load_luts =
>> glk_load_luts;
>> dev_priv->display.read_luts =
>> glk_read_luts; diff --git a/drivers/gpu/drm/i915/i915_reg.h
>> b/drivers/gpu/drm/i915/i915_reg.h index a69c19aae5bb..661cbe4c933a 100644
>> --- a/drivers/gpu/drm/i915/i915_reg.h
>> +++ b/drivers/gpu/drm/i915/i915_reg.h
>> @@ -10574,12 +10574,6 @@ enum skl_power_gate {
>>
>> #define _PAL_PREC_MULTI_SEG_DATA_A 0x4A40C
>> #define _PAL_PREC_MULTI_SEG_DATA_B 0x4AC0C
>> -#define PAL_PREC_MULTI_SEG_RED_LDW_MASK REG_GENMASK(29, 24)
>> -#define PAL_PREC_MULTI_SEG_RED_UDW_MASK REG_GENMASK(29, 20)
>> -#define PAL_PREC_MULTI_SEG_GREEN_LDW_MASK REG_GENMASK(19, 14) -
>> #define PAL_PREC_MULTI_SEG_GREEN_UDW_MASK REG_GENMASK(19, 10) -
>> #define PAL_PREC_MULTI_SEG_BLUE_LDW_MASK REG_GENMASK(9, 4) -#define
>> PAL_PREC_MULTI_SEG_BLUE_UDW_MASK REG_GENMASK(9, 0)
>>
>> #define PREC_PAL_MULTI_SEG_INDEX(pipe) _MMIO_PIPE(pipe, \
>>
>> _PAL_PREC_MULTI_SEG_INDEX_A, \
>> --
>> 2.23.0
>>
>> _______________________________________________
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>> Intel-gfx at lists.freedesktop.org
>> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
--
Jani Nikula, Intel Open Source Graphics Center
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