On Wed, Sep 16, 2020 at 01:18:51PM -0400, Lyude Paul wrote:
Since we're about to add support for a second type of backlight control interface over DP AUX (specifically, Intel's proprietary HDR backlight controls) let's rename all of the current backlight hooks we have for vesa to make it clear that they're specific to the VESA interface and not Intel's.
Signed-off-by: Lyude Paul lyude@redhat.com Cc: thaytan@noraisin.net Cc: Vasily Khoruzhick anarsoul@gmail.com
Reviewed-by: Rodrigo Vivi rodrigo.vivi@intel.com
.../drm/i915/display/intel_dp_aux_backlight.c | 51 ++++++++++--------- 1 file changed, 26 insertions(+), 25 deletions(-)
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 acbd7eb66cbe3..f601bcbe8ee46 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c +++ b/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c @@ -25,7 +25,7 @@ #include "intel_display_types.h" #include "intel_dp_aux_backlight.h"
-static void set_aux_backlight_enable(struct intel_dp *intel_dp, bool enable) +static void set_vesa_backlight_enable(struct intel_dp *intel_dp, bool enable) { struct drm_i915_private *i915 = dp_to_i915(intel_dp); u8 reg_val = 0; @@ -56,7 +56,7 @@ static void set_aux_backlight_enable(struct intel_dp *intel_dp, bool enable)
- Read the current backlight value from DPCD register(s) based
- on if 8-bit(MSB) or 16-bit(MSB and LSB) values are supported
*/ -static u32 intel_dp_aux_get_backlight(struct intel_connector *connector) +static u32 intel_dp_aux_vesa_get_backlight(struct intel_connector *connector) { struct intel_dp *intel_dp = intel_attached_dp(connector); struct drm_i915_private *i915 = dp_to_i915(intel_dp); @@ -99,7 +99,8 @@ static u32 intel_dp_aux_get_backlight(struct intel_connector *connector)
- 8-bit or 16 bit value (MSB and LSB)
*/ static void -intel_dp_aux_set_backlight(const struct drm_connector_state *conn_state, u32 level) +intel_dp_aux_vesa_set_backlight(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); @@ -129,7 +130,7 @@ intel_dp_aux_set_backlight(const struct drm_connector_state *conn_state, u32 lev
- Where P = 2^Pn, where Pn is the value programmed by field 4:0 of the
EDP_PWMGEN_BIT_COUNT register (DPCD Address 00724h)*/ -static bool intel_dp_aux_set_pwm_freq(struct intel_connector *connector) +static bool intel_dp_aux_vesa_set_pwm_freq(struct intel_connector *connector) { struct drm_i915_private *dev_priv = to_i915(connector->base.dev); struct intel_dp *intel_dp = intel_attached_dp(connector); @@ -165,8 +166,8 @@ static bool intel_dp_aux_set_pwm_freq(struct intel_connector *connector) return true; }
-static void intel_dp_aux_enable_backlight(const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state)+static void intel_dp_aux_vesa_enable_backlight(const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state){ struct intel_connector *connector = to_intel_connector(conn_state->connector); struct intel_dp *intel_dp = intel_attached_dp(connector); @@ -206,7 +207,7 @@ static void intel_dp_aux_enable_backlight(const struct intel_crtc_state *crtc_st }
if (intel_dp->edp_dpcd[2] & DP_EDP_BACKLIGHT_FREQ_AUX_SET_CAP)
if (intel_dp_aux_set_pwm_freq(connector))
if (intel_dp_aux_vesa_set_pwm_freq(connector)) new_dpcd_buf |= DP_EDP_BACKLIGHT_FREQ_AUX_SET_ENABLE;if (new_dpcd_buf != dpcd_buf) {
@@ -217,18 +218,18 @@ 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);- set_aux_backlight_enable(intel_dp, true);
- intel_dp_aux_vesa_set_backlight(conn_state,
connector->panel.backlight.level);- set_vesa_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_vesa_disable_backlight(const struct drm_connector_state *old_conn_state) {
- set_aux_backlight_enable(enc_to_intel_dp(to_intel_encoder(old_conn_state->best_encoder)),
false);
- set_vesa_backlight_enable(enc_to_intel_dp(to_intel_encoder(old_conn_state->best_encoder)),
false);}
-static u32 intel_dp_aux_calc_max_backlight(struct intel_connector *connector) +static u32 intel_dp_aux_vesa_calc_max_backlight(struct intel_connector *connector) { struct drm_i915_private *i915 = to_i915(connector->base.dev); struct intel_dp *intel_dp = intel_attached_dp(connector); @@ -308,24 +309,24 @@ static u32 intel_dp_aux_calc_max_backlight(struct intel_connector *connector) return max_backlight; }
-static int intel_dp_aux_setup_backlight(struct intel_connector *connector,
enum pipe pipe)+static int intel_dp_aux_vesa_setup_backlight(struct intel_connector *connector,
enum pipe pipe){ struct intel_panel *panel = &connector->panel;
- panel->backlight.max = intel_dp_aux_calc_max_backlight(connector);
panel->backlight.max = intel_dp_aux_vesa_calc_max_backlight(connector); if (!panel->backlight.max) return -ENODEV;
panel->backlight.min = 0;
- panel->backlight.level = intel_dp_aux_get_backlight(connector);
panel->backlight.level = intel_dp_aux_vesa_get_backlight(connector); panel->backlight.enabled = panel->backlight.level != 0;
return 0;
}
static bool -intel_dp_aux_display_control_capable(struct intel_connector *connector) +intel_dp_aux_supports_vesa_backlight(struct intel_connector *connector) { struct intel_dp *intel_dp = intel_attached_dp(connector); struct drm_i915_private *i915 = dp_to_i915(intel_dp); @@ -349,7 +350,7 @@ int intel_dp_aux_init_backlight_funcs(struct intel_connector *intel_connector) struct drm_i915_private *i915 = dp_to_i915(intel_dp);
if (i915->params.enable_dpcd_backlight == 0 ||
!intel_dp_aux_display_control_capable(intel_connector))
!intel_dp_aux_supports_vesa_backlight(intel_connector))return -ENODEV;
/*
@@ -371,11 +372,11 @@ int intel_dp_aux_init_backlight_funcs(struct intel_connector *intel_connector) return -ENODEV; }
- panel->backlight.setup = intel_dp_aux_setup_backlight;
- panel->backlight.enable = intel_dp_aux_enable_backlight;
- panel->backlight.disable = intel_dp_aux_disable_backlight;
- panel->backlight.set = intel_dp_aux_set_backlight;
- panel->backlight.get = intel_dp_aux_get_backlight;
panel->backlight.setup = intel_dp_aux_vesa_setup_backlight;
panel->backlight.enable = intel_dp_aux_vesa_enable_backlight;
panel->backlight.disable = intel_dp_aux_vesa_disable_backlight;
panel->backlight.set = intel_dp_aux_vesa_set_backlight;
panel->backlight.get = intel_dp_aux_vesa_get_backlight;
return 0;
}
2.26.2
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