From 0454beab0f6bc6d350860abd549b86959d2f6f40 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Michel=20D=C3=A4nzer?= Date: Mon, 15 Jun 2009 16:56:07 +0200 Subject: drm: EDID endianness fixes. Mostly replacing bitfields with explicit masks and shifts. Signed-off-by: Dave Airlie --- drivers/gpu/drm/drm_edid.c | 100 +++++++++++++++++--------------- drivers/gpu/drm/radeon/radeon_display.c | 2 +- 2 files changed, 53 insertions(+), 49 deletions(-) (limited to 'drivers/gpu/drm') diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 801a0d0e081..7d0835226f6 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -252,16 +252,18 @@ struct drm_display_mode *drm_mode_std(struct drm_device *dev, { struct drm_display_mode *mode; int hsize = t->hsize * 8 + 248, vsize; + unsigned aspect_ratio = (t->vfreq_aspect & EDID_TIMING_ASPECT_MASK) + >> EDID_TIMING_ASPECT_SHIFT; mode = drm_mode_create(dev); if (!mode) return NULL; - if (t->aspect_ratio == 0) + if (aspect_ratio == 0) vsize = (hsize * 10) / 16; - else if (t->aspect_ratio == 1) + else if (aspect_ratio == 1) vsize = (hsize * 3) / 4; - else if (t->aspect_ratio == 2) + else if (aspect_ratio == 2) vsize = (hsize * 4) / 5; else vsize = (hsize * 9) / 16; @@ -288,17 +290,24 @@ static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev, { struct drm_display_mode *mode; struct detailed_pixel_timing *pt = &timing->data.pixel_data; + unsigned hactive = (pt->hactive_hblank_hi & 0xf0) << 4 | pt->hactive_lo; + unsigned vactive = (pt->vactive_vblank_hi & 0xf0) << 4 | pt->vactive_lo; + unsigned hblank = (pt->hactive_hblank_hi & 0xf) << 8 | pt->hblank_lo; + unsigned vblank = (pt->vactive_vblank_hi & 0xf) << 8 | pt->vblank_lo; + unsigned hsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0x3) << 8 | pt->hsync_offset_lo; + unsigned hsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0xc) << 6 | pt->hsync_pulse_width_lo; + unsigned vsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0x30) | (pt->vsync_offset_pulse_width_lo & 0xf); + unsigned vsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0xc0) >> 2 | pt->vsync_offset_pulse_width_lo >> 4; /* ignore tiny modes */ - if (((pt->hactive_hi << 8) | pt->hactive_lo) < 64 || - ((pt->vactive_hi << 8) | pt->hactive_lo) < 64) + if (hactive < 64 || vactive < 64) return NULL; - if (pt->stereo) { + if (pt->misc & DRM_EDID_PT_STEREO) { printk(KERN_WARNING "stereo mode not supported\n"); return NULL; } - if (!pt->separate_sync) { + if (!(pt->misc & DRM_EDID_PT_SEPARATE_SYNC)) { printk(KERN_WARNING "integrated sync not supported\n"); return NULL; } @@ -310,41 +319,36 @@ static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev, mode->type = DRM_MODE_TYPE_DRIVER; if (quirks & EDID_QUIRK_135_CLOCK_TOO_HIGH) - timing->pixel_clock = 1088; - - mode->clock = timing->pixel_clock * 10; - - mode->hdisplay = (pt->hactive_hi << 8) | pt->hactive_lo; - mode->hsync_start = mode->hdisplay + ((pt->hsync_offset_hi << 8) | - pt->hsync_offset_lo); - mode->hsync_end = mode->hsync_start + - ((pt->hsync_pulse_width_hi << 8) | - pt->hsync_pulse_width_lo); - mode->htotal = mode->hdisplay + ((pt->hblank_hi << 8) | pt->hblank_lo); - - mode->vdisplay = (pt->vactive_hi << 8) | pt->vactive_lo; - mode->vsync_start = mode->vdisplay + ((pt->vsync_offset_hi << 4) | - pt->vsync_offset_lo); - mode->vsync_end = mode->vsync_start + - ((pt->vsync_pulse_width_hi << 4) | - pt->vsync_pulse_width_lo); - mode->vtotal = mode->vdisplay + ((pt->vblank_hi << 8) | pt->vblank_lo); + timing->pixel_clock = cpu_to_le16(1088); + + mode->clock = le16_to_cpu(timing->pixel_clock) * 10; + + mode->hdisplay = hactive; + mode->hsync_start = mode->hdisplay + hsync_offset; + mode->hsync_end = mode->hsync_start + hsync_pulse_width; + mode->htotal = mode->hdisplay + hblank; + + mode->vdisplay = vactive; + mode->vsync_start = mode->vdisplay + vsync_offset; + mode->vsync_end = mode->vsync_start + vsync_pulse_width; + mode->vtotal = mode->vdisplay + vblank; drm_mode_set_name(mode); - if (pt->interlaced) + if (pt->misc & DRM_EDID_PT_INTERLACED) mode->flags |= DRM_MODE_FLAG_INTERLACE; if (quirks & EDID_QUIRK_DETAILED_SYNC_PP) { - pt->hsync_positive = 1; - pt->vsync_positive = 1; + pt->misc |= DRM_EDID_PT_HSYNC_POSITIVE | DRM_EDID_PT_VSYNC_POSITIVE; } - mode->flags |= pt->hsync_positive ? DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC; - mode->flags |= pt->vsync_positive ? DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC; + mode->flags |= (pt->misc & DRM_EDID_PT_HSYNC_POSITIVE) ? + DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC; + mode->flags |= (pt->misc & DRM_EDID_PT_VSYNC_POSITIVE) ? + DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC; - mode->width_mm = pt->width_mm_lo | (pt->width_mm_hi << 8); - mode->height_mm = pt->height_mm_lo | (pt->height_mm_hi << 8); + mode->width_mm = pt->width_mm_lo | (pt->width_height_mm_hi & 0xf) << 8; + mode->height_mm = pt->height_mm_lo | (pt->width_height_mm_hi & 0xf0) << 4; if (quirks & EDID_QUIRK_DETAILED_IN_CM) { mode->width_mm *= 10; @@ -465,7 +469,7 @@ static int add_standard_modes(struct drm_connector *connector, struct edid *edid struct drm_display_mode *newmode; /* If std timings bytes are 1, 1 it's empty */ - if (t->hsize == 1 && (t->aspect_ratio | t->vfreq) == 1) + if (t->hsize == 1 && t->vfreq_aspect == 1) continue; newmode = drm_mode_std(dev, &edid->standard_timings[i]); @@ -509,7 +513,7 @@ static int add_detailed_info(struct drm_connector *connector, continue; /* First detailed mode is preferred */ - if (i == 0 && edid->preferred_timing) + if (i == 0 && (edid->features & DRM_EDID_FEATURE_PREFERRED_TIMING)) newmode->type |= DRM_MODE_TYPE_PREFERRED; drm_mode_probed_add(connector, newmode); @@ -767,22 +771,22 @@ int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid) if (quirks & (EDID_QUIRK_PREFER_LARGE_60 | EDID_QUIRK_PREFER_LARGE_75)) edid_fixup_preferred(connector, quirks); - connector->display_info.serration_vsync = edid->serration_vsync; - connector->display_info.sync_on_green = edid->sync_on_green; - connector->display_info.composite_sync = edid->composite_sync; - connector->display_info.separate_syncs = edid->separate_syncs; - connector->display_info.blank_to_black = edid->blank_to_black; - connector->display_info.video_level = edid->video_level; - connector->display_info.digital = edid->digital; + connector->display_info.serration_vsync = (edid->input & DRM_EDID_INPUT_SERRATION_VSYNC) ? 1 : 0; + connector->display_info.sync_on_green = (edid->input & DRM_EDID_INPUT_SYNC_ON_GREEN) ? 1 : 0; + connector->display_info.composite_sync = (edid->input & DRM_EDID_INPUT_COMPOSITE_SYNC) ? 1 : 0; + connector->display_info.separate_syncs = (edid->input & DRM_EDID_INPUT_SEPARATE_SYNCS) ? 1 : 0; + connector->display_info.blank_to_black = (edid->input & DRM_EDID_INPUT_BLANK_TO_BLACK) ? 1 : 0; + connector->display_info.video_level = (edid->input & DRM_EDID_INPUT_VIDEO_LEVEL) >> 5; + connector->display_info.digital = (edid->input & DRM_EDID_INPUT_DIGITAL) ? 1 : 0; connector->display_info.width_mm = edid->width_cm * 10; connector->display_info.height_mm = edid->height_cm * 10; connector->display_info.gamma = edid->gamma; - connector->display_info.gtf_supported = edid->default_gtf; - connector->display_info.standard_color = edid->standard_color; - connector->display_info.display_type = edid->display_type; - connector->display_info.active_off_supported = edid->pm_active_off; - connector->display_info.suspend_supported = edid->pm_suspend; - connector->display_info.standby_supported = edid->pm_standby; + connector->display_info.gtf_supported = (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF) ? 1 : 0; + connector->display_info.standard_color = (edid->features & DRM_EDID_FEATURE_STANDARD_COLOR) ? 1 : 0; + connector->display_info.display_type = (edid->features & DRM_EDID_FEATURE_DISPLAY_TYPE) >> 3; + connector->display_info.active_off_supported = (edid->features & DRM_EDID_FEATURE_PM_ACTIVE_OFF) ? 1 : 0; + connector->display_info.suspend_supported = (edid->features & DRM_EDID_FEATURE_PM_SUSPEND) ? 1 : 0; + connector->display_info.standby_supported = (edid->features & DRM_EDID_FEATURE_PM_STANDBY) ? 1 : 0; connector->display_info.gamma = edid->gamma; return num_modes; diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index 5452bb9d925..3efcf1a526b 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -351,7 +351,7 @@ int radeon_ddc_get_modes(struct radeon_connector *radeon_connector) radeon_i2c_do_lock(radeon_connector, 0); if (edid) { /* update digital bits here */ - if (edid->digital) + if (edid->input & DRM_EDID_INPUT_DIGITAL) radeon_connector->use_digital = 1; else radeon_connector->use_digital = 0; -- cgit v1.2.3