[v3,3/9] drm/i915: Pass down brightness values to enable/disable backlight callbacks

Message ID	20201204223603.249878-4-lyude@redhat.com (mailing list archive)
State	New, archived
Headers	show Return-Path: <SRS0=5A7x=FI=lists.freedesktop.org=intel-gfx-bounces@kernel.org> DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C7F4D22D05 From: Lyude Paul <lyude@redhat.com> To: Rodrigo Vivi <rodrigo.vivi@intel.com>, Jani Nikula <jani.nikula@linux.intel.com>, Dave Airlie <airlied@gmail.com>, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Date: Fri, 4 Dec 2020 17:35:57 -0500 Message-Id: <20201204223603.249878-4-lyude@redhat.com> In-Reply-To: <20201204223603.249878-1-lyude@redhat.com> References: <20201204223603.249878-1-lyude@redhat.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v3 3/9] drm/i915: Pass down brightness values to enable/disable backlight callbacks Precedence: list Cc: Arnd Bergmann <arnd@arndb.de>, David Airlie <airlied@linux.ie>, Lucas De Marchi <lucas.demarchi@intel.com>, open list <linux-kernel@vger.kernel.org>, Chris Wilson <chris@chris-wilson.co.uk>, Sean Paul <seanpaul@chromium.org>, Dave Airlie <airlied@redhat.com> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" <intel-gfx-bounces@lists.freedesktop.org>
Series	drm/i915: Add support for Intel's eDP backlight controls \| expand [v3,0/9] drm/i915: Add support for Intel's eDP backlight controls [v3,1/9] drm/i915/dp: Program source OUI on eDP panels [v3,2/9] drm/i915: Rename pwm_* backlight callbacks to ext_pwm_* [v3,3/9] drm/i915: Pass down brightness values to enable/disable backlight callbacks [v3,4/9] drm/i915: Keep track of pwm-related backlight hooks separately [v3,5/9] drm/i915/dp: Rename eDP VESA backlight interface functions [v3,6/9] drm/i915/dp: Add register definitions for Intel HDR backlight interface [v3,7/9] drm/i915/dp: Enable Intel's HDR backlight interface (only SDR for now) [v3,8/9] drm/i915/dp: Allow forcing specific interfaces through enable_dpcd_backlight [v3,9/9] drm/dp: Revert "drm/dp: Introduce EDID-based quirks"

diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h index 1fa0246b3a82..a70d1bf29aa5 100644 --- a/drivers/gpu/drm/i915/display/intel_display_types.h +++ b/drivers/gpu/drm/i915/display/intel_display_types.h @@ -230,9 +230,9 @@ struct intel_panel_bl_funcs { int (*setup)(struct intel_connector *connector, enum pipe pipe); u32 (*get)(struct intel_connector *connector); void (*set)(const struct drm_connector_state *conn_state, u32 level); - void (*disable)(const struct drm_connector_state *conn_state); + void (*disable)(const struct drm_connector_state *conn_state, u32 level); void (*enable)(const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state); + const struct drm_connector_state *conn_state, u32 level); u32 (*hz_to_pwm)(struct intel_connector *connector, u32 hz); }; diff --git a/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c b/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c index 4fd536801b14..c76287e9e91e 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c +++ b/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c @@ -174,7 +174,7 @@ static bool intel_dp_aux_set_pwm_freq(struct intel_connector *connector) } static void intel_dp_aux_enable_backlight(const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state) + const struct drm_connector_state *conn_state, u32 level) { struct intel_connector *connector = to_intel_connector(conn_state->connector); struct intel_dp *intel_dp = intel_attached_dp(connector); @@ -225,12 +225,12 @@ static void intel_dp_aux_enable_backlight(const struct intel_crtc_state *crtc_st } } - intel_dp_aux_set_backlight(conn_state, - connector->panel.backlight.level); + intel_dp_aux_set_backlight(conn_state, level); set_aux_backlight_enable(intel_dp, true); } -static void intel_dp_aux_disable_backlight(const struct drm_connector_state *old_conn_state) +static void intel_dp_aux_disable_backlight(const struct drm_connector_state *old_conn_state, + u32 level) { set_aux_backlight_enable(enc_to_intel_dp(to_intel_encoder(old_conn_state->best_encoder)), false); diff --git a/drivers/gpu/drm/i915/display/intel_dsi_dcs_backlight.c b/drivers/gpu/drm/i915/display/intel_dsi_dcs_backlight.c index 5c508d51f526..88628764956d 100644 --- a/drivers/gpu/drm/i915/display/intel_dsi_dcs_backlight.c +++ b/drivers/gpu/drm/i915/display/intel_dsi_dcs_backlight.c @@ -77,7 +77,7 @@ static void dcs_set_backlight(const struct drm_connector_state *conn_state, u32 } } -static void dcs_disable_backlight(const struct drm_connector_state *conn_state) +static void dcs_disable_backlight(const struct drm_connector_state *conn_state, u32 level) { struct intel_dsi *intel_dsi = enc_to_intel_dsi(to_intel_encoder(conn_state->best_encoder)); struct mipi_dsi_device *dsi_device; @@ -111,10 +111,9 @@ static void dcs_disable_backlight(const struct drm_connector_state *conn_state) } static void dcs_enable_backlight(const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state) + const struct drm_connector_state *conn_state, u32 level) { struct intel_dsi *intel_dsi = enc_to_intel_dsi(to_intel_encoder(conn_state->best_encoder)); - struct intel_panel *panel = &to_intel_connector(conn_state->connector)->panel; struct mipi_dsi_device *dsi_device; enum port port; @@ -142,7 +141,7 @@ static void dcs_enable_backlight(const struct intel_crtc_state *crtc_state, &cabc, sizeof(cabc)); } - dcs_set_backlight(conn_state, panel->backlight.level); + dcs_set_backlight(conn_state, level); } static int dcs_setup_backlight(struct intel_connector *connector, diff --git a/drivers/gpu/drm/i915/display/intel_panel.c b/drivers/gpu/drm/i915/display/intel_panel.c index da8f7c12ae22..67f81ae995c4 100644 --- a/drivers/gpu/drm/i915/display/intel_panel.c +++ b/drivers/gpu/drm/i915/display/intel_panel.c @@ -726,13 +726,13 @@ void intel_panel_set_backlight_acpi(const struct drm_connector_state *conn_state mutex_unlock(&dev_priv->backlight_lock); } -static void lpt_disable_backlight(const struct drm_connector_state *old_conn_state) +static void lpt_disable_backlight(const struct drm_connector_state *old_conn_state, u32 level) { struct intel_connector *connector = to_intel_connector(old_conn_state->connector); struct drm_i915_private *dev_priv = to_i915(connector->base.dev); u32 tmp; - intel_panel_actually_set_backlight(old_conn_state, 0); + intel_panel_actually_set_backlight(old_conn_state, level); /* * Although we don't support or enable CPU PWM with LPT/SPT based @@ -754,13 +754,13 @@ static void lpt_disable_backlight(const struct drm_connector_state *old_conn_sta intel_de_write(dev_priv, BLC_PWM_PCH_CTL1, tmp & ~BLM_PCH_PWM_ENABLE); } -static void pch_disable_backlight(const struct drm_connector_state *old_conn_state) +static void pch_disable_backlight(const struct drm_connector_state *old_conn_state, u32 val) { struct intel_connector *connector = to_intel_connector(old_conn_state->connector); struct drm_i915_private *dev_priv = to_i915(connector->base.dev); u32 tmp; - intel_panel_actually_set_backlight(old_conn_state, 0); + intel_panel_actually_set_backlight(old_conn_state, val); tmp = intel_de_read(dev_priv, BLC_PWM_CPU_CTL2); intel_de_write(dev_priv, BLC_PWM_CPU_CTL2, tmp & ~BLM_PWM_ENABLE); @@ -769,44 +769,44 @@ static void pch_disable_backlight(const struct drm_connector_state *old_conn_sta intel_de_write(dev_priv, BLC_PWM_PCH_CTL1, tmp & ~BLM_PCH_PWM_ENABLE); } -static void i9xx_disable_backlight(const struct drm_connector_state *old_conn_state) +static void i9xx_disable_backlight(const struct drm_connector_state *old_conn_state, u32 val) { - intel_panel_actually_set_backlight(old_conn_state, 0); + intel_panel_actually_set_backlight(old_conn_state, val); } -static void i965_disable_backlight(const struct drm_connector_state *old_conn_state) +static void i965_disable_backlight(const struct drm_connector_state *old_conn_state, u32 val) { struct drm_i915_private *dev_priv = to_i915(old_conn_state->connector->dev); u32 tmp; - intel_panel_actually_set_backlight(old_conn_state, 0); + intel_panel_actually_set_backlight(old_conn_state, val); tmp = intel_de_read(dev_priv, BLC_PWM_CTL2); intel_de_write(dev_priv, BLC_PWM_CTL2, tmp & ~BLM_PWM_ENABLE); } -static void vlv_disable_backlight(const struct drm_connector_state *old_conn_state) +static void vlv_disable_backlight(const struct drm_connector_state *old_conn_state, u32 val) { struct intel_connector *connector = to_intel_connector(old_conn_state->connector); struct drm_i915_private *dev_priv = to_i915(connector->base.dev); enum pipe pipe = to_intel_crtc(old_conn_state->crtc)->pipe; u32 tmp; - intel_panel_actually_set_backlight(old_conn_state, 0); + intel_panel_actually_set_backlight(old_conn_state, val); tmp = intel_de_read(dev_priv, VLV_BLC_PWM_CTL2(pipe)); intel_de_write(dev_priv, VLV_BLC_PWM_CTL2(pipe), tmp & ~BLM_PWM_ENABLE); } -static void bxt_disable_backlight(const struct drm_connector_state *old_conn_state) +static void bxt_disable_backlight(const struct drm_connector_state *old_conn_state, u32 val) { struct intel_connector *connector = to_intel_connector(old_conn_state->connector); struct drm_i915_private *dev_priv = to_i915(connector->base.dev); struct intel_panel *panel = &connector->panel; - u32 tmp, val; + u32 tmp; - intel_panel_actually_set_backlight(old_conn_state, 0); + intel_panel_actually_set_backlight(old_conn_state, val); tmp = intel_de_read(dev_priv, BXT_BLC_PWM_CTL(panel->backlight.controller)); @@ -820,14 +820,14 @@ static void bxt_disable_backlight(const struct drm_connector_state *old_conn_sta } } -static void cnp_disable_backlight(const struct drm_connector_state *old_conn_state) +static void cnp_disable_backlight(const struct drm_connector_state *old_conn_state, u32 val) { struct intel_connector *connector = to_intel_connector(old_conn_state->connector); struct drm_i915_private *dev_priv = to_i915(connector->base.dev); struct intel_panel *panel = &connector->panel; u32 tmp; - intel_panel_actually_set_backlight(old_conn_state, 0); + intel_panel_actually_set_backlight(old_conn_state, val); tmp = intel_de_read(dev_priv, BXT_BLC_PWM_CTL(panel->backlight.controller)); @@ -835,7 +835,7 @@ static void cnp_disable_backlight(const struct drm_connector_state *old_conn_sta tmp & ~BXT_BLC_PWM_ENABLE); } -static void ext_pwm_disable_backlight(const struct drm_connector_state *old_conn_state) +static void ext_pwm_disable_backlight(const struct drm_connector_state *old_conn_state, u32 level) { struct intel_connector *connector = to_intel_connector(old_conn_state->connector); struct intel_panel *panel = &connector->panel; @@ -870,13 +870,13 @@ void intel_panel_disable_backlight(const struct drm_connector_state *old_conn_st if (panel->backlight.device) panel->backlight.device->props.power = FB_BLANK_POWERDOWN; panel->backlight.enabled = false; - panel->backlight.funcs->disable(old_conn_state); + panel->backlight.funcs->disable(old_conn_state, 0); mutex_unlock(&dev_priv->backlight_lock); } static void lpt_enable_backlight(const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state) + const struct drm_connector_state *conn_state, u32 level) { struct intel_connector *connector = to_intel_connector(conn_state->connector); struct drm_i915_private *dev_priv = to_i915(connector->base.dev); @@ -923,11 +923,11 @@ static void lpt_enable_backlight(const struct intel_crtc_state *crtc_state, pch_ctl1 | BLM_PCH_PWM_ENABLE); /* This won't stick until the above enable. */ - intel_panel_actually_set_backlight(conn_state, panel->backlight.level); + intel_panel_actually_set_backlight(conn_state, level); } static void pch_enable_backlight(const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state) + const struct drm_connector_state *conn_state, u32 level) { struct intel_connector *connector = to_intel_connector(conn_state->connector); struct drm_i915_private *dev_priv = to_i915(connector->base.dev); @@ -958,7 +958,7 @@ static void pch_enable_backlight(const struct intel_crtc_state *crtc_state, intel_de_write(dev_priv, BLC_PWM_CPU_CTL2, cpu_ctl2 | BLM_PWM_ENABLE); /* This won't stick until the above enable. */ - intel_panel_actually_set_backlight(conn_state, panel->backlight.level); + intel_panel_actually_set_backlight(conn_state, level); pch_ctl2 = panel->backlight.max << 16; intel_de_write(dev_priv, BLC_PWM_PCH_CTL2, pch_ctl2); @@ -974,7 +974,7 @@ static void pch_enable_backlight(const struct intel_crtc_state *crtc_state, } static void i9xx_enable_backlight(const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state) + const struct drm_connector_state *conn_state, u32 level) { struct intel_connector *connector = to_intel_connector(conn_state->connector); struct drm_i915_private *dev_priv = to_i915(connector->base.dev); @@ -1001,7 +1001,7 @@ static void i9xx_enable_backlight(const struct intel_crtc_state *crtc_state, intel_de_posting_read(dev_priv, BLC_PWM_CTL); /* XXX: combine this into above write? */ - intel_panel_actually_set_backlight(conn_state, panel->backlight.level); + intel_panel_actually_set_backlight(conn_state, level); /* * Needed to enable backlight on some 855gm models. BLC_HIST_CTL is @@ -1013,7 +1013,7 @@ static void i9xx_enable_backlight(const struct intel_crtc_state *crtc_state, } static void i965_enable_backlight(const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state) + const struct drm_connector_state *conn_state, u32 level) { struct intel_connector *connector = to_intel_connector(conn_state->connector); struct drm_i915_private *dev_priv = to_i915(connector->base.dev); @@ -1044,11 +1044,11 @@ static void i965_enable_backlight(const struct intel_crtc_state *crtc_state, intel_de_posting_read(dev_priv, BLC_PWM_CTL2); intel_de_write(dev_priv, BLC_PWM_CTL2, ctl2 | BLM_PWM_ENABLE); - intel_panel_actually_set_backlight(conn_state, panel->backlight.level); + intel_panel_actually_set_backlight(conn_state, level); } static void vlv_enable_backlight(const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state) + const struct drm_connector_state *conn_state, u32 level) { struct intel_connector *connector = to_intel_connector(conn_state->connector); struct drm_i915_private *dev_priv = to_i915(connector->base.dev); @@ -1067,7 +1067,7 @@ static void vlv_enable_backlight(const struct intel_crtc_state *crtc_state, intel_de_write(dev_priv, VLV_BLC_PWM_CTL(pipe), ctl); /* XXX: combine this into above write? */ - intel_panel_actually_set_backlight(conn_state, panel->backlight.level); + intel_panel_actually_set_backlight(conn_state, level); ctl2 = 0; if (panel->backlight.active_low_pwm) @@ -1079,7 +1079,7 @@ static void vlv_enable_backlight(const struct intel_crtc_state *crtc_state, } static void bxt_enable_backlight(const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state) + const struct drm_connector_state *conn_state, u32 level) { struct intel_connector *connector = to_intel_connector(conn_state->connector); struct drm_i915_private *dev_priv = to_i915(connector->base.dev); @@ -1118,7 +1118,7 @@ static void bxt_enable_backlight(const struct intel_crtc_state *crtc_state, BXT_BLC_PWM_FREQ(panel->backlight.controller), panel->backlight.max); - intel_panel_actually_set_backlight(conn_state, panel->backlight.level); + intel_panel_actually_set_backlight(conn_state, level); pwm_ctl = 0; if (panel->backlight.active_low_pwm) @@ -1133,7 +1133,7 @@ static void bxt_enable_backlight(const struct intel_crtc_state *crtc_state, } static void cnp_enable_backlight(const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state) + const struct drm_connector_state *conn_state, u32 level) { struct intel_connector *connector = to_intel_connector(conn_state->connector); struct drm_i915_private *dev_priv = to_i915(connector->base.dev); @@ -1154,7 +1154,7 @@ static void cnp_enable_backlight(const struct intel_crtc_state *crtc_state, BXT_BLC_PWM_FREQ(panel->backlight.controller), panel->backlight.max); - intel_panel_actually_set_backlight(conn_state, panel->backlight.level); + intel_panel_actually_set_backlight(conn_state, level); pwm_ctl = 0; if (panel->backlight.active_low_pwm) @@ -1169,11 +1169,10 @@ static void cnp_enable_backlight(const struct intel_crtc_state *crtc_state, } static void ext_pwm_enable_backlight(const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state) + const struct drm_connector_state *conn_state, u32 level) { struct intel_connector *connector = to_intel_connector(conn_state->connector); struct intel_panel *panel = &connector->panel; - int level = panel->backlight.level; level = intel_panel_compute_brightness(connector, level); pwm_set_relative_duty_cycle(&panel->backlight.pwm_state, level, 100); @@ -1198,7 +1197,7 @@ static void __intel_panel_enable_backlight(const struct intel_crtc_state *crtc_s panel->backlight.device->props.max_brightness); } - panel->backlight.funcs->enable(crtc_state, conn_state); + panel->backlight.funcs->enable(crtc_state, conn_state, panel->backlight.level); panel->backlight.enabled = true; if (panel->backlight.device) panel->backlight.device->props.power = FB_BLANK_UNBLANK;

[v3,3/9] drm/i915: Pass down brightness values to enable/disable backlight callbacks

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Patch