[PATCH v2 01/11] drm: Add HDMI 2.0 VIC support for AVI info-frames
Sharma, Shashank
shashank.sharma at intel.com
Tue May 30 16:30:12 UTC 2017
Regards
Shashank
On 5/30/2017 9:43 PM, Ville Syrjälä wrote:
> On Tue, May 30, 2017 at 05:43:40PM +0530, Shashank Sharma wrote:
>> HDMI 1.4b support the CEA video modes as per range of CEA-861-D (VIC 1-64).
>> For any other mode, the VIC filed in AVI infoframes should be 0.
>> HDMI 2.0 sinks, support video modes range as per CEA-861-F spec, which is
>> extended to (VIC 1-107).
>>
>> This patch adds a bool input variable, which indicates if the connected
>> sink is a HDMI 2.0 sink or not. This will make sure that we don't pass a
>> HDMI 2.0 VIC to a HDMI 1.4 sink.
>>
>> This patch touches all drm drivers, who are callers of this function
>> drm_hdmi_avi_infoframe_from_display_mode but to make sure there is
>> no change in current behavior, is_hdmi2 is kept as false.
>>
>> In case of I915 driver, this patch checks the connector->display_info
>> to check if the connected display is HDMI 2.0.
>>
>> Cc: Ville Syrjala <ville.syrjala at linux.intel.com>
>> Cc: Jose Abreu <jose.abreu at synopsys.com>
>> Cc: Andrzej Hajda <a.hajda at samsung.com>
>> Cc: Alex Deucher <alexander.deucher at amd.com>
>> Cc: Daniel Vetter <daniel.vetter at intel.com>
>>
>> PS: This patch touches a few lines in few files, which were
>> already above 80 char, so checkpatch gives 80 char warning again.
>> - gpu/drm/omapdrm/omap_encoder.c
>> - gpu/drm/i915/intel_sdvo.c
>>
>> V2: Rebase, Added r-b from Andrzej
>>
>> Reviewed-by: Andrzej Hajda <a.hajda at samsung.com>
>> Signed-off-by: Shashank Sharma <shashank.sharma at intel.com>
>> ---
>> drivers/gpu/drm/amd/amdgpu/dce_v10_0.c | 2 +-
>> drivers/gpu/drm/amd/amdgpu/dce_v11_0.c | 2 +-
>> drivers/gpu/drm/amd/amdgpu/dce_v8_0.c | 2 +-
>> drivers/gpu/drm/bridge/analogix-anx78xx.c | 3 ++-
>> drivers/gpu/drm/bridge/sii902x.c | 2 +-
>> drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 2 +-
>> drivers/gpu/drm/drm_edid.c | 12 +++++++++++-
>> drivers/gpu/drm/exynos/exynos_hdmi.c | 2 +-
>> drivers/gpu/drm/i2c/tda998x_drv.c | 2 +-
>> drivers/gpu/drm/i915/intel_hdmi.c | 5 ++++-
>> drivers/gpu/drm/i915/intel_sdvo.c | 3 ++-
>> drivers/gpu/drm/mediatek/mtk_hdmi.c | 2 +-
>> drivers/gpu/drm/omapdrm/omap_encoder.c | 3 ++-
>> drivers/gpu/drm/radeon/radeon_audio.c | 2 +-
>> drivers/gpu/drm/rockchip/inno_hdmi.c | 2 +-
>> drivers/gpu/drm/sti/sti_hdmi.c | 2 +-
>> drivers/gpu/drm/tegra/hdmi.c | 2 +-
>> drivers/gpu/drm/tegra/sor.c | 2 +-
>> drivers/gpu/drm/vc4/vc4_hdmi.c | 2 +-
>> drivers/gpu/drm/zte/zx_hdmi.c | 2 +-
>> include/drm/drm_edid.h | 3 ++-
>> 21 files changed, 38 insertions(+), 21 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
>> index 3c62c45..4923ddc 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
>> @@ -1864,7 +1864,7 @@ static void dce_v10_0_afmt_setmode(struct drm_encoder *encoder,
>> dce_v10_0_audio_write_sad_regs(encoder);
>> dce_v10_0_audio_write_latency_fields(encoder, mode);
>>
>> - err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode);
>> + err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode, false);
>> if (err < 0) {
>> DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
>> return;
>> diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
>> index c8ed0fa..4101684 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
>> @@ -1848,7 +1848,7 @@ static void dce_v11_0_afmt_setmode(struct drm_encoder *encoder,
>> dce_v11_0_audio_write_sad_regs(encoder);
>> dce_v11_0_audio_write_latency_fields(encoder, mode);
>>
>> - err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode);
>> + err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode, false);
>> if (err < 0) {
>> DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
>> return;
>> diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
>> index 3e90c19..a7f6b32 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
>> @@ -1747,7 +1747,7 @@ static void dce_v8_0_afmt_setmode(struct drm_encoder *encoder,
>> dce_v8_0_audio_write_sad_regs(encoder);
>> dce_v8_0_audio_write_latency_fields(encoder, mode);
>>
>> - err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode);
>> + err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode, false);
>> if (err < 0) {
>> DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
>> return;
>> diff --git a/drivers/gpu/drm/bridge/analogix-anx78xx.c b/drivers/gpu/drm/bridge/analogix-anx78xx.c
>> index a2a8236..f9b77b8 100644
>> --- a/drivers/gpu/drm/bridge/analogix-anx78xx.c
>> +++ b/drivers/gpu/drm/bridge/analogix-anx78xx.c
>> @@ -1097,7 +1097,8 @@ static void anx78xx_bridge_mode_set(struct drm_bridge *bridge,
>>
>> mutex_lock(&anx78xx->lock);
>>
>> - err = drm_hdmi_avi_infoframe_from_display_mode(&frame, adjusted_mode);
>> + err = drm_hdmi_avi_infoframe_from_display_mode(&frame, adjusted_mode,
>> + false);
>> if (err) {
>> DRM_ERROR("Failed to setup AVI infoframe: %d\n", err);
>> goto unlock;
>> diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c
>> index 9b87067..3dc40f6 100644
>> --- a/drivers/gpu/drm/bridge/sii902x.c
>> +++ b/drivers/gpu/drm/bridge/sii902x.c
>> @@ -269,7 +269,7 @@ static void sii902x_bridge_mode_set(struct drm_bridge *bridge,
>> if (ret)
>> return;
>>
>> - ret = drm_hdmi_avi_infoframe_from_display_mode(&frame, adj);
>> + ret = drm_hdmi_avi_infoframe_from_display_mode(&frame, adj, false);
>> if (ret < 0) {
>> DRM_ERROR("couldn't fill AVI infoframe\n");
>> return;
>> diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
>> index 8737de8..e6d3181 100644
>> --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
>> +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
>> @@ -1317,7 +1317,7 @@ static void hdmi_config_AVI(struct dw_hdmi *hdmi, struct drm_display_mode *mode)
>> u8 val;
>>
>> /* Initialise info frame from DRM mode */
>> - drm_hdmi_avi_infoframe_from_display_mode(&frame, mode);
>> + drm_hdmi_avi_infoframe_from_display_mode(&frame, mode, false);
>>
>> if (hdmi_bus_fmt_is_yuv444(hdmi->hdmi_data.enc_out_bus_format))
>> frame.colorspace = HDMI_COLORSPACE_YUV444;
>> diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
>> index 2e55599..8b23435 100644
>> --- a/drivers/gpu/drm/drm_edid.c
>> +++ b/drivers/gpu/drm/drm_edid.c
>> @@ -4334,12 +4334,14 @@ EXPORT_SYMBOL(drm_set_preferred_mode);
>> * data from a DRM display mode
>> * @frame: HDMI AVI infoframe
>> * @mode: DRM display mode
>> + * @is_hdmi2: Sink is HDMI 2.0 compliant
>> *
>> * Return: 0 on success or a negative error code on failure.
>> */
>> int
>> drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
>> - const struct drm_display_mode *mode)
>> + const struct drm_display_mode *mode,
>> + bool is_hdmi2)
>> {
>> int err;
>>
>> @@ -4355,6 +4357,14 @@ drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
>>
>> frame->video_code = drm_match_cea_mode(mode);
>>
>> + /*
>> + * HDMI 1.4 VIC range: 1 <= VIC <= 64 (CEA-861-D) but
>> + * HDMI 2.0 VIC range: 1 <= VIC <= 107 (CEA-861-F). So we
>> + * have to make sure we dont break HDMI 1.4 sinks.
>> + */
>> + if (!is_hdmi2 && frame->video_code > 64)
>> + frame->video_code = 0;
> Seems I've totally forgotten what we concluded about the AVI VIC
> vs. HDMI VIC, but I have a feeling this isn't sufficient.
As far as I remember, we decided to send VICs > 64 to HDMI 2.0 monitors
only.
If you can provide some more thoughts about how can we make it better ?
- Shashank
>> +
>> frame->picture_aspect = HDMI_PICTURE_ASPECT_NONE;
>>
>> /*
>> diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
>> index 1ff6ab6..f2cc75d 100644
>> --- a/drivers/gpu/drm/exynos/exynos_hdmi.c
>> +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
>> @@ -784,7 +784,7 @@ static void hdmi_reg_infoframes(struct hdmi_context *hdata)
>> }
>>
>> ret = drm_hdmi_avi_infoframe_from_display_mode(&frm.avi,
>> - &hdata->current_mode);
>> + &hdata->current_mode, false);
>> if (!ret)
>> ret = hdmi_avi_infoframe_pack(&frm.avi, buf, sizeof(buf));
>> if (ret > 0) {
>> diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c
>> index 86f47e1..d1e7ac5 100644
>> --- a/drivers/gpu/drm/i2c/tda998x_drv.c
>> +++ b/drivers/gpu/drm/i2c/tda998x_drv.c
>> @@ -712,7 +712,7 @@ tda998x_write_avi(struct tda998x_priv *priv, struct drm_display_mode *mode)
>> {
>> union hdmi_infoframe frame;
>>
>> - drm_hdmi_avi_infoframe_from_display_mode(&frame.avi, mode);
>> + drm_hdmi_avi_infoframe_from_display_mode(&frame.avi, mode, false);
>> frame.avi.quantization_range = HDMI_QUANTIZATION_RANGE_FULL;
>>
>> tda998x_write_if(priv, DIP_IF_FLAGS_IF2, REG_IF2_HB0, &frame);
>> diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
>> index 58d6903..702cbab 100644
>> --- a/drivers/gpu/drm/i915/intel_hdmi.c
>> +++ b/drivers/gpu/drm/i915/intel_hdmi.c
>> @@ -459,11 +459,14 @@ static void intel_hdmi_set_avi_infoframe(struct drm_encoder *encoder,
>> struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
>> const struct drm_display_mode *adjusted_mode =
>> &crtc_state->base.adjusted_mode;
>> + struct drm_connector *connector = &intel_hdmi->attached_connector->base;
>> + bool is_hdmi2 = connector->display_info.hdmi.scdc.supported;
>> union hdmi_infoframe frame;
>> int ret;
>>
>> ret = drm_hdmi_avi_infoframe_from_display_mode(&frame.avi,
>> - adjusted_mode);
>> + adjusted_mode,
>> + is_hdmi2);
>> if (ret < 0) {
>> DRM_ERROR("couldn't fill AVI infoframe\n");
>> return;
>> diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
>> index 6cc1812..62d727a 100644
>> --- a/drivers/gpu/drm/i915/intel_sdvo.c
>> +++ b/drivers/gpu/drm/i915/intel_sdvo.c
>> @@ -1006,7 +1006,8 @@ static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo,
>> ssize_t len;
>>
>> ret = drm_hdmi_avi_infoframe_from_display_mode(&frame.avi,
>> - &pipe_config->base.adjusted_mode);
>> + &pipe_config->base.adjusted_mode,
>> + false);
>> if (ret < 0) {
>> DRM_ERROR("couldn't fill AVI infoframe\n");
>> return false;
>> diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c
>> index 41a1c03..a1770dc 100644
>> --- a/drivers/gpu/drm/mediatek/mtk_hdmi.c
>> +++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c
>> @@ -975,7 +975,7 @@ static int mtk_hdmi_setup_avi_infoframe(struct mtk_hdmi *hdmi,
>> u8 buffer[17];
>> ssize_t err;
>>
>> - err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode);
>> + err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode, false);
>> if (err < 0) {
>> dev_err(hdmi->dev,
>> "Failed to get AVI infoframe from mode: %zd\n", err);
>> diff --git a/drivers/gpu/drm/omapdrm/omap_encoder.c b/drivers/gpu/drm/omapdrm/omap_encoder.c
>> index 86c977b..624f5b5 100644
>> --- a/drivers/gpu/drm/omapdrm/omap_encoder.c
>> +++ b/drivers/gpu/drm/omapdrm/omap_encoder.c
>> @@ -85,7 +85,8 @@ static void omap_encoder_mode_set(struct drm_encoder *encoder,
>> if (hdmi_mode && dssdev->driver->set_hdmi_infoframe) {
>> struct hdmi_avi_infoframe avi;
>>
>> - r = drm_hdmi_avi_infoframe_from_display_mode(&avi, adjusted_mode);
>> + r = drm_hdmi_avi_infoframe_from_display_mode(&avi, adjusted_mode,
>> + false);
>> if (r == 0)
>> dssdev->driver->set_hdmi_infoframe(dssdev, &avi);
>> }
>> diff --git a/drivers/gpu/drm/radeon/radeon_audio.c b/drivers/gpu/drm/radeon/radeon_audio.c
>> index aaacac1..770e31f 100644
>> --- a/drivers/gpu/drm/radeon/radeon_audio.c
>> +++ b/drivers/gpu/drm/radeon/radeon_audio.c
>> @@ -516,7 +516,7 @@ static int radeon_audio_set_avi_packet(struct drm_encoder *encoder,
>> if (!connector)
>> return -EINVAL;
>>
>> - err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode);
>> + err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode, false);
>> if (err < 0) {
>> DRM_ERROR("failed to setup AVI infoframe: %d\n", err);
>> return err;
>> diff --git a/drivers/gpu/drm/rockchip/inno_hdmi.c b/drivers/gpu/drm/rockchip/inno_hdmi.c
>> index 7d9b75e..7149968 100644
>> --- a/drivers/gpu/drm/rockchip/inno_hdmi.c
>> +++ b/drivers/gpu/drm/rockchip/inno_hdmi.c
>> @@ -294,7 +294,7 @@ static int inno_hdmi_config_video_avi(struct inno_hdmi *hdmi,
>> union hdmi_infoframe frame;
>> int rc;
>>
>> - rc = drm_hdmi_avi_infoframe_from_display_mode(&frame.avi, mode);
>> + rc = drm_hdmi_avi_infoframe_from_display_mode(&frame.avi, mode, false);
>>
>> if (hdmi->hdmi_data.enc_out_format == HDMI_COLORSPACE_YUV444)
>> frame.avi.colorspace = HDMI_COLORSPACE_YUV444;
>> diff --git a/drivers/gpu/drm/sti/sti_hdmi.c b/drivers/gpu/drm/sti/sti_hdmi.c
>> index a59c95a..dbc6a19 100644
>> --- a/drivers/gpu/drm/sti/sti_hdmi.c
>> +++ b/drivers/gpu/drm/sti/sti_hdmi.c
>> @@ -434,7 +434,7 @@ static int hdmi_avi_infoframe_config(struct sti_hdmi *hdmi)
>>
>> DRM_DEBUG_DRIVER("\n");
>>
>> - ret = drm_hdmi_avi_infoframe_from_display_mode(&infoframe, mode);
>> + ret = drm_hdmi_avi_infoframe_from_display_mode(&infoframe, mode, false);
>> if (ret < 0) {
>> DRM_ERROR("failed to setup AVI infoframe: %d\n", ret);
>> return ret;
>> diff --git a/drivers/gpu/drm/tegra/hdmi.c b/drivers/gpu/drm/tegra/hdmi.c
>> index cda0491..718d8db 100644
>> --- a/drivers/gpu/drm/tegra/hdmi.c
>> +++ b/drivers/gpu/drm/tegra/hdmi.c
>> @@ -734,7 +734,7 @@ static void tegra_hdmi_setup_avi_infoframe(struct tegra_hdmi *hdmi,
>> u8 buffer[17];
>> ssize_t err;
>>
>> - err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode);
>> + err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode, false);
>> if (err < 0) {
>> dev_err(hdmi->dev, "failed to setup AVI infoframe: %zd\n", err);
>> return;
>> diff --git a/drivers/gpu/drm/tegra/sor.c b/drivers/gpu/drm/tegra/sor.c
>> index a8f5289..fb2709c 100644
>> --- a/drivers/gpu/drm/tegra/sor.c
>> +++ b/drivers/gpu/drm/tegra/sor.c
>> @@ -1904,7 +1904,7 @@ tegra_sor_hdmi_setup_avi_infoframe(struct tegra_sor *sor,
>> value &= ~INFOFRAME_CTRL_ENABLE;
>> tegra_sor_writel(sor, value, SOR_HDMI_AVI_INFOFRAME_CTRL);
>>
>> - err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode);
>> + err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode, false);
>> if (err < 0) {
>> dev_err(sor->dev, "failed to setup AVI infoframe: %d\n", err);
>> return err;
>> diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
>> index ed63d4e..406d6d8 100644
>> --- a/drivers/gpu/drm/vc4/vc4_hdmi.c
>> +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
>> @@ -395,7 +395,7 @@ static void vc4_hdmi_set_avi_infoframe(struct drm_encoder *encoder)
>> union hdmi_infoframe frame;
>> int ret;
>>
>> - ret = drm_hdmi_avi_infoframe_from_display_mode(&frame.avi, mode);
>> + ret = drm_hdmi_avi_infoframe_from_display_mode(&frame.avi, mode, false);
>> if (ret < 0) {
>> DRM_ERROR("couldn't fill AVI infoframe\n");
>> return;
>> diff --git a/drivers/gpu/drm/zte/zx_hdmi.c b/drivers/gpu/drm/zte/zx_hdmi.c
>> index 0df7366..7e834e3 100644
>> --- a/drivers/gpu/drm/zte/zx_hdmi.c
>> +++ b/drivers/gpu/drm/zte/zx_hdmi.c
>> @@ -124,7 +124,7 @@ static int zx_hdmi_config_video_avi(struct zx_hdmi *hdmi,
>> union hdmi_infoframe frame;
>> int ret;
>>
>> - ret = drm_hdmi_avi_infoframe_from_display_mode(&frame.avi, mode);
>> + ret = drm_hdmi_avi_infoframe_from_display_mode(&frame.avi, mode, false);
>> if (ret) {
>> DRM_DEV_ERROR(hdmi->dev, "failed to get avi infoframe: %d\n",
>> ret);
>> diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h
>> index 7b9f48b..c07eb81 100644
>> --- a/include/drm/drm_edid.h
>> +++ b/include/drm/drm_edid.h
>> @@ -343,7 +343,8 @@ drm_load_edid_firmware(struct drm_connector *connector)
>>
>> int
>> drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
>> - const struct drm_display_mode *mode);
>> + const struct drm_display_mode *mode,
>> + bool is_hdmi2);
>> int
>> drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame,
>> const struct drm_display_mode *mode);
>> --
>> 2.7.4
More information about the dri-devel
mailing list