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Merge branch 'drm-intel-fixes' of git://people.freedesktop.org/~keithp/linux
* 'drm-intel-fixes' of git://people.freedesktop.org/~keithp/linux: drm/i915: FBC off for ironlake and older, otherwise on by default drm/i915: Enable SDVO hotplug interrupts for HDMI and DVI drm/i915: Enable dither whenever display bpc < frame buffer bpc
This commit is contained in:
commit
8e8e500fca
4 changed files with 47 additions and 70 deletions
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@ -67,11 +67,11 @@ module_param_named(i915_enable_rc6, i915_enable_rc6, int, 0600);
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MODULE_PARM_DESC(i915_enable_rc6,
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"Enable power-saving render C-state 6 (default: true)");
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unsigned int i915_enable_fbc __read_mostly = 1;
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unsigned int i915_enable_fbc __read_mostly = -1;
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module_param_named(i915_enable_fbc, i915_enable_fbc, int, 0600);
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MODULE_PARM_DESC(i915_enable_fbc,
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"Enable frame buffer compression for power savings "
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"(default: false)");
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"(default: -1 (use per-chip default))");
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unsigned int i915_lvds_downclock __read_mostly = 0;
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module_param_named(lvds_downclock, i915_lvds_downclock, int, 0400);
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@ -1799,6 +1799,7 @@ static void intel_update_fbc(struct drm_device *dev)
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struct drm_framebuffer *fb;
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struct intel_framebuffer *intel_fb;
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struct drm_i915_gem_object *obj;
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int enable_fbc;
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DRM_DEBUG_KMS("\n");
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@ -1839,8 +1840,15 @@ static void intel_update_fbc(struct drm_device *dev)
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intel_fb = to_intel_framebuffer(fb);
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obj = intel_fb->obj;
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if (!i915_enable_fbc) {
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DRM_DEBUG_KMS("fbc disabled per module param (default off)\n");
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enable_fbc = i915_enable_fbc;
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if (enable_fbc < 0) {
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DRM_DEBUG_KMS("fbc set to per-chip default\n");
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enable_fbc = 1;
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if (INTEL_INFO(dev)->gen <= 5)
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enable_fbc = 0;
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}
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if (!enable_fbc) {
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DRM_DEBUG_KMS("fbc disabled per module param\n");
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dev_priv->no_fbc_reason = FBC_MODULE_PARAM;
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goto out_disable;
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}
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@ -4687,13 +4695,13 @@ static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc,
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bpc = 6; /* min is 18bpp */
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break;
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case 24:
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bpc = min((unsigned int)8, display_bpc);
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bpc = 8;
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break;
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case 30:
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bpc = min((unsigned int)10, display_bpc);
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bpc = 10;
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break;
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case 48:
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bpc = min((unsigned int)12, display_bpc);
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bpc = 12;
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break;
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default:
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DRM_DEBUG("unsupported depth, assuming 24 bits\n");
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@ -4701,10 +4709,12 @@ static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc,
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break;
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}
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display_bpc = min(display_bpc, bpc);
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DRM_DEBUG_DRIVER("setting pipe bpc to %d (max display bpc %d)\n",
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bpc, display_bpc);
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*pipe_bpp = bpc * 3;
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*pipe_bpp = display_bpc * 3;
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return display_bpc != bpc;
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}
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@ -337,9 +337,6 @@ extern void intel_release_load_detect_pipe(struct intel_encoder *intel_encoder,
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struct drm_connector *connector,
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struct intel_load_detect_pipe *old);
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extern struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB);
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extern int intel_sdvo_supports_hotplug(struct drm_connector *connector);
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extern void intel_sdvo_set_hotplug(struct drm_connector *connector, int enable);
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extern void intelfb_restore(void);
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extern void intel_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
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u16 blue, int regno);
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@ -92,6 +92,11 @@ struct intel_sdvo {
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*/
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uint16_t attached_output;
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/*
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* Hotplug activation bits for this device
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*/
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uint8_t hotplug_active[2];
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/**
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* This is used to select the color range of RBG outputs in HDMI mode.
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* It is only valid when using TMDS encoding and 8 bit per color mode.
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@ -1208,74 +1213,20 @@ static bool intel_sdvo_get_capabilities(struct intel_sdvo *intel_sdvo, struct in
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return true;
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}
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/* No use! */
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#if 0
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struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB)
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{
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struct drm_connector *connector = NULL;
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struct intel_sdvo *iout = NULL;
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struct intel_sdvo *sdvo;
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/* find the sdvo connector */
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list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
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iout = to_intel_sdvo(connector);
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if (iout->type != INTEL_OUTPUT_SDVO)
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continue;
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sdvo = iout->dev_priv;
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if (sdvo->sdvo_reg == SDVOB && sdvoB)
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return connector;
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if (sdvo->sdvo_reg == SDVOC && !sdvoB)
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return connector;
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}
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return NULL;
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}
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int intel_sdvo_supports_hotplug(struct drm_connector *connector)
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static int intel_sdvo_supports_hotplug(struct intel_sdvo *intel_sdvo)
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{
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u8 response[2];
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u8 status;
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struct intel_sdvo *intel_sdvo;
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DRM_DEBUG_KMS("\n");
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if (!connector)
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return 0;
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intel_sdvo = to_intel_sdvo(connector);
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return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
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&response, 2) && response[0];
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}
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void intel_sdvo_set_hotplug(struct drm_connector *connector, int on)
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static void intel_sdvo_enable_hotplug(struct intel_encoder *encoder)
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{
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u8 response[2];
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u8 status;
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struct intel_sdvo *intel_sdvo = to_intel_sdvo(connector);
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struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base);
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intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);
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intel_sdvo_read_response(intel_sdvo, &response, 2);
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if (on) {
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intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT, NULL, 0);
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status = intel_sdvo_read_response(intel_sdvo, &response, 2);
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intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
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} else {
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response[0] = 0;
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response[1] = 0;
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intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
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}
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intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);
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intel_sdvo_read_response(intel_sdvo, &response, 2);
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intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &intel_sdvo->hotplug_active, 2);
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}
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#endif
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static bool
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intel_sdvo_multifunc_encoder(struct intel_sdvo *intel_sdvo)
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@ -2045,6 +1996,7 @@ intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device)
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{
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struct drm_encoder *encoder = &intel_sdvo->base.base;
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struct drm_connector *connector;
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struct intel_encoder *intel_encoder = to_intel_encoder(encoder);
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struct intel_connector *intel_connector;
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struct intel_sdvo_connector *intel_sdvo_connector;
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@ -2062,7 +2014,17 @@ intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device)
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intel_connector = &intel_sdvo_connector->base;
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connector = &intel_connector->base;
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connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
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if (intel_sdvo_supports_hotplug(intel_sdvo) & (1 << device)) {
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connector->polled = DRM_CONNECTOR_POLL_HPD;
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intel_sdvo->hotplug_active[0] |= 1 << device;
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/* Some SDVO devices have one-shot hotplug interrupts.
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* Ensure that they get re-enabled when an interrupt happens.
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*/
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intel_encoder->hot_plug = intel_sdvo_enable_hotplug;
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intel_sdvo_enable_hotplug(intel_encoder);
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}
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else
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connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
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encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
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connector->connector_type = DRM_MODE_CONNECTOR_DVID;
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@ -2569,6 +2531,14 @@ bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
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if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps))
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goto err;
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/* Set up hotplug command - note paranoia about contents of reply.
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* We assume that the hardware is in a sane state, and only touch
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* the bits we think we understand.
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*/
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intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG,
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&intel_sdvo->hotplug_active, 2);
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intel_sdvo->hotplug_active[0] &= ~0x3;
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if (intel_sdvo_output_setup(intel_sdvo,
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intel_sdvo->caps.output_flags) != true) {
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DRM_DEBUG_KMS("SDVO output failed to setup on SDVO%c\n",
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