From 23b03a272c2beed43fa7468971b94a4b267cebbd Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= Date: Tue, 5 Feb 2019 18:08:38 +0200 Subject: drm/i915: Constify the state arguments to the color management stuff MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Pass the crtc state etc. as const to the color management commit functions. And while at it polish some of the local variables. v2: Rebase Signed-off-by: Ville Syrjälä Reviewed-by: Matt Roper Reviewed-by: Uma Shankar Link: https://patchwork.freedesktop.org/patch/msgid/20190205160848.24662-4-ville.syrjala@linux.intel.com Reviewed-by: Maarten Lankhorst --- drivers/gpu/drm/i915/i915_drv.h | 4 +- drivers/gpu/drm/i915/intel_color.c | 140 ++++++++++++++++++++----------------- drivers/gpu/drm/i915/intel_drv.h | 4 +- 3 files changed, 80 insertions(+), 68 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index a2293152cb6a..1ca96376651b 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -323,8 +323,8 @@ struct drm_i915_display_funcs { /* display clock increase/decrease */ /* pll clock increase/decrease */ - void (*load_csc_matrix)(struct intel_crtc_state *crtc_state); - void (*load_luts)(struct intel_crtc_state *crtc_state); + void (*load_csc_matrix)(const struct intel_crtc_state *crtc_state); + void (*load_luts)(const struct intel_crtc_state *crtc_state); }; #define CSR_VERSION(major, minor) ((major) << 16 | (minor)) diff --git a/drivers/gpu/drm/i915/intel_color.c b/drivers/gpu/drm/i915/intel_color.c index 057f0600840a..96d4ece4870c 100644 --- a/drivers/gpu/drm/i915/intel_color.c +++ b/drivers/gpu/drm/i915/intel_color.c @@ -74,12 +74,12 @@ #define ILK_CSC_COEFF_1_0 \ ((7 << 12) | ILK_CSC_COEFF_FP(CTM_COEFF_1_0, 8)) -static bool lut_is_legacy(struct drm_property_blob *lut) +static bool lut_is_legacy(const struct drm_property_blob *lut) { return drm_color_lut_size(lut) == LEGACY_LUT_LENGTH; } -static bool crtc_state_is_legacy_gamma(struct intel_crtc_state *crtc_state) +static bool crtc_state_is_legacy_gamma(const struct intel_crtc_state *crtc_state) { return !crtc_state->base.degamma_lut && !crtc_state->base.ctm && @@ -115,8 +115,8 @@ static u64 *ctm_mult_by_limited(u64 *result, const u64 *input) static void ilk_load_ycbcr_conversion_matrix(struct intel_crtc *crtc) { - int pipe = crtc->pipe; struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + enum pipe pipe = crtc->pipe; I915_WRITE(PIPE_CSC_PREOFF_HI(pipe), 0); I915_WRITE(PIPE_CSC_PREOFF_ME(pipe), 0); @@ -137,13 +137,14 @@ static void ilk_load_ycbcr_conversion_matrix(struct intel_crtc *crtc) I915_WRITE(PIPE_CSC_MODE(pipe), 0); } -static void ilk_load_csc_matrix(struct intel_crtc_state *crtc_state) +static void ilk_load_csc_matrix(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 i, pipe = crtc->pipe; - u16 coeffs[9] = { 0, }; bool limited_color_range = false; + enum pipe pipe = crtc->pipe; + u16 coeffs[9] = {}; + int i; /* * FIXME if there's a gamma LUT after the CSC, we should @@ -256,16 +257,16 @@ static void ilk_load_csc_matrix(struct intel_crtc_state *crtc_state) /* * Set up the pipe CSC unit on CherryView. */ -static void cherryview_load_csc_matrix(struct intel_crtc_state *crtc_state) +static void cherryview_load_csc_matrix(const struct intel_crtc_state *crtc_state) { - struct drm_device *dev = crtc_state->base.crtc->dev; - struct drm_i915_private *dev_priv = to_i915(dev); - int pipe = to_intel_crtc(crtc_state->base.crtc)->pipe; + struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + enum pipe pipe = crtc->pipe; u32 mode; if (crtc_state->base.ctm) { - struct drm_color_ctm *ctm = crtc_state->base.ctm->data; - u16 coeffs[9] = { 0, }; + const struct drm_color_ctm *ctm = crtc_state->base.ctm->data; + u16 coeffs[9] = {}; int i; for (i = 0; i < ARRAY_SIZE(coeffs); i++) { @@ -303,18 +304,17 @@ static void cherryview_load_csc_matrix(struct intel_crtc_state *crtc_state) I915_WRITE(CGM_PIPE_MODE(pipe), mode); } -void intel_color_set_csc(struct intel_crtc_state *crtc_state) +void intel_color_set_csc(const struct intel_crtc_state *crtc_state) { - struct drm_device *dev = crtc_state->base.crtc->dev; - struct drm_i915_private *dev_priv = to_i915(dev); + struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev); if (dev_priv->display.load_csc_matrix) dev_priv->display.load_csc_matrix(crtc_state); } /* Loads the legacy palette/gamma unit for the CRTC. */ -static void i9xx_load_luts_internal(struct intel_crtc_state *crtc_state, - struct drm_property_blob *blob) +static void i9xx_load_luts_internal(const struct intel_crtc_state *crtc_state, + const struct drm_property_blob *blob) { struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); @@ -329,7 +329,8 @@ static void i9xx_load_luts_internal(struct intel_crtc_state *crtc_state, } if (blob) { - struct drm_color_lut *lut = blob->data; + const struct drm_color_lut *lut = blob->data; + for (i = 0; i < 256; i++) { u32 word = (drm_color_lut_extract(lut[i].red, 8) << 16) | @@ -353,13 +354,13 @@ static void i9xx_load_luts_internal(struct intel_crtc_state *crtc_state, } } -static void i9xx_load_luts(struct intel_crtc_state *crtc_state) +static void i9xx_load_luts(const struct intel_crtc_state *crtc_state) { i9xx_load_luts_internal(crtc_state, crtc_state->base.gamma_lut); } /* Loads the legacy palette/gamma unit for the CRTC on Haswell. */ -static void haswell_load_luts(struct intel_crtc_state *crtc_state) +static void haswell_load_luts(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); @@ -383,17 +384,19 @@ static void haswell_load_luts(struct intel_crtc_state *crtc_state) hsw_enable_ips(crtc_state); } -static void bdw_load_degamma_lut(struct intel_crtc_state *crtc_state) +static void bdw_load_degamma_lut(const struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev); - enum pipe pipe = to_intel_crtc(crtc_state->base.crtc)->pipe; + struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + const struct drm_property_blob *degamma_lut = crtc_state->base.degamma_lut; u32 i, lut_size = INTEL_INFO(dev_priv)->color.degamma_lut_size; + enum pipe pipe = crtc->pipe; I915_WRITE(PREC_PAL_INDEX(pipe), PAL_PREC_SPLIT_MODE | PAL_PREC_AUTO_INCREMENT); - if (crtc_state->base.degamma_lut) { - struct drm_color_lut *lut = crtc_state->base.degamma_lut->data; + if (degamma_lut) { + const struct drm_color_lut *lut = degamma_lut->data; for (i = 0; i < lut_size; i++) { u32 word = @@ -413,11 +416,13 @@ static void bdw_load_degamma_lut(struct intel_crtc_state *crtc_state) } } -static void bdw_load_gamma_lut(struct intel_crtc_state *crtc_state, u32 offset) +static void bdw_load_gamma_lut(const struct intel_crtc_state *crtc_state, u32 offset) { - struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev); - enum pipe pipe = to_intel_crtc(crtc_state->base.crtc)->pipe; + struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + const struct drm_property_blob *gamma_lut = crtc_state->base.gamma_lut; u32 i, lut_size = INTEL_INFO(dev_priv)->color.gamma_lut_size; + enum pipe pipe = crtc->pipe; WARN_ON(offset & ~PAL_PREC_INDEX_VALUE_MASK); @@ -426,8 +431,8 @@ static void bdw_load_gamma_lut(struct intel_crtc_state *crtc_state, u32 offset) PAL_PREC_AUTO_INCREMENT | offset); - if (crtc_state->base.gamma_lut) { - struct drm_color_lut *lut = crtc_state->base.gamma_lut->data; + if (gamma_lut) { + const struct drm_color_lut *lut = gamma_lut->data; for (i = 0; i < lut_size; i++) { u32 word = @@ -461,10 +466,11 @@ static void bdw_load_gamma_lut(struct intel_crtc_state *crtc_state, u32 offset) } /* Loads the palette/gamma unit for the CRTC on Broadwell+. */ -static void broadwell_load_luts(struct intel_crtc_state *crtc_state) +static void broadwell_load_luts(const struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev); - enum pipe pipe = to_intel_crtc(crtc_state->base.crtc)->pipe; + struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + enum pipe pipe = crtc->pipe; if (crtc_state_is_legacy_gamma(crtc_state)) { haswell_load_luts(crtc_state); @@ -484,10 +490,11 @@ static void broadwell_load_luts(struct intel_crtc_state *crtc_state) I915_WRITE(PREC_PAL_INDEX(pipe), 0); } -static void glk_load_degamma_lut(struct intel_crtc_state *crtc_state) +static void glk_load_degamma_lut(const struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev); - enum pipe pipe = to_intel_crtc(crtc_state->base.crtc)->pipe; + struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + enum pipe pipe = crtc->pipe; const u32 lut_size = 33; u32 i; @@ -514,11 +521,11 @@ static void glk_load_degamma_lut(struct intel_crtc_state *crtc_state) I915_WRITE(PRE_CSC_GAMC_DATA(pipe), (1 << 16)); } -static void glk_load_luts(struct intel_crtc_state *crtc_state) +static void glk_load_luts(const struct intel_crtc_state *crtc_state) { - struct drm_device *dev = crtc_state->base.crtc->dev; - struct drm_i915_private *dev_priv = to_i915(dev); - enum pipe pipe = to_intel_crtc(crtc_state->base.crtc)->pipe; + struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + enum pipe pipe = crtc->pipe; glk_load_degamma_lut(crtc_state); @@ -532,28 +539,29 @@ static void glk_load_luts(struct intel_crtc_state *crtc_state) I915_WRITE(GAMMA_MODE(pipe), crtc_state->gamma_mode); } -/* Loads the palette/gamma unit for the CRTC on CherryView. */ -static void cherryview_load_luts(struct intel_crtc_state *crtc_state) +static void cherryview_load_luts(const struct intel_crtc_state *crtc_state) { - struct drm_crtc *crtc = crtc_state->base.crtc; - struct drm_i915_private *dev_priv = to_i915(crtc->dev); - enum pipe pipe = to_intel_crtc(crtc)->pipe; - struct drm_color_lut *lut; - u32 i, lut_size; - u32 word0, word1; + struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + const struct drm_property_blob *gamma_lut = crtc_state->base.gamma_lut; + const struct drm_property_blob *degamma_lut = crtc_state->base.degamma_lut; + enum pipe pipe = crtc->pipe; if (crtc_state_is_legacy_gamma(crtc_state)) { /* Turn off degamma/gamma on CGM block. */ I915_WRITE(CGM_PIPE_MODE(pipe), (crtc_state->base.ctm ? CGM_PIPE_MODE_CSC : 0)); - i9xx_load_luts_internal(crtc_state, crtc_state->base.gamma_lut); + i9xx_load_luts_internal(crtc_state, gamma_lut); return; } - if (crtc_state->base.degamma_lut) { - lut = crtc_state->base.degamma_lut->data; - lut_size = INTEL_INFO(dev_priv)->color.degamma_lut_size; + if (degamma_lut) { + const struct drm_color_lut *lut = degamma_lut->data; + int i, lut_size = INTEL_INFO(dev_priv)->color.degamma_lut_size; + for (i = 0; i < lut_size; i++) { + u32 word0, word1; + /* Write LUT in U0.14 format. */ word0 = (drm_color_lut_extract(lut[i].green, 14) << 16) | @@ -565,10 +573,13 @@ static void cherryview_load_luts(struct intel_crtc_state *crtc_state) } } - if (crtc_state->base.gamma_lut) { - lut = crtc_state->base.gamma_lut->data; - lut_size = INTEL_INFO(dev_priv)->color.gamma_lut_size; + if (gamma_lut) { + const struct drm_color_lut *lut = gamma_lut->data; + int i, lut_size = INTEL_INFO(dev_priv)->color.gamma_lut_size; + for (i = 0; i < lut_size; i++) { + u32 word0, word1; + /* Write LUT in U0.10 format. */ word0 = (drm_color_lut_extract(lut[i].green, 10) << 16) | @@ -582,8 +593,8 @@ static void cherryview_load_luts(struct intel_crtc_state *crtc_state) I915_WRITE(CGM_PIPE_MODE(pipe), (crtc_state->base.ctm ? CGM_PIPE_MODE_CSC : 0) | - (crtc_state->base.degamma_lut ? CGM_PIPE_MODE_DEGAMMA : 0) | - (crtc_state->base.gamma_lut ? CGM_PIPE_MODE_GAMMA : 0)); + (degamma_lut ? CGM_PIPE_MODE_DEGAMMA : 0) | + (gamma_lut ? CGM_PIPE_MODE_GAMMA : 0)); /* * Also program a linear LUT in the legacy block (behind the @@ -592,10 +603,9 @@ static void cherryview_load_luts(struct intel_crtc_state *crtc_state) i9xx_load_luts_internal(crtc_state, NULL); } -void intel_color_load_luts(struct intel_crtc_state *crtc_state) +void intel_color_load_luts(const struct intel_crtc_state *crtc_state) { - struct drm_device *dev = crtc_state->base.crtc->dev; - struct drm_i915_private *dev_priv = to_i915(dev); + struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev); dev_priv->display.load_luts(crtc_state); } @@ -620,6 +630,8 @@ static int check_lut_size(const struct drm_property_blob *lut, int expected) int intel_color_check(struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev); + const struct drm_property_blob *gamma_lut = crtc_state->base.gamma_lut; + const struct drm_property_blob *degamma_lut = crtc_state->base.degamma_lut; int gamma_length, degamma_length; u32 gamma_tests, degamma_tests; @@ -634,12 +646,12 @@ int intel_color_check(struct intel_crtc_state *crtc_state) return 0; } - if (check_lut_size(crtc_state->base.degamma_lut, degamma_length) || - check_lut_size(crtc_state->base.gamma_lut, gamma_length)) + if (check_lut_size(degamma_lut, degamma_length) || + check_lut_size(gamma_lut, gamma_length)) return -EINVAL; - if (drm_color_lut_check(crtc_state->base.degamma_lut, degamma_tests) || - drm_color_lut_check(crtc_state->base.gamma_lut, gamma_tests)) + if (drm_color_lut_check(degamma_lut, degamma_tests) || + drm_color_lut_check(gamma_lut, gamma_tests)) return -EINVAL; if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv)) diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 9717b1250e6f..2c299456fdbd 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -2389,8 +2389,8 @@ int intel_plane_atomic_check_with_state(const struct intel_crtc_state *old_crtc_ /* intel_color.c */ void intel_color_init(struct intel_crtc *crtc); int intel_color_check(struct intel_crtc_state *crtc_state); -void intel_color_set_csc(struct intel_crtc_state *crtc_state); -void intel_color_load_luts(struct intel_crtc_state *crtc_state); +void intel_color_set_csc(const struct intel_crtc_state *crtc_state); +void intel_color_load_luts(const struct intel_crtc_state *crtc_state); /* intel_lspcon.c */ bool lspcon_init(struct intel_digital_port *intel_dig_port); -- cgit v1.2.3