On Tue, May 30, 2017 at 10:00:12PM +0530, Sharma, Shashank wrote:
> 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@xxxxxxxxxxxxxxx>
> >> Cc: Jose Abreu <jose.abreu@xxxxxxxxxxxx>
> >> Cc: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
> >> Cc: Alex Deucher <alexander.deucher@xxxxxxx>
> >> Cc: Daniel Vetter <daniel.vetter@xxxxxxxxx>
> >>
> >> 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@xxxxxxxxxxx>
> >> Signed-off-by: Shashank Sharma <shashank.sharma@xxxxxxxxx>
> >> ---
> >> 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 ?
The question is whether we send the VIC in the AVI infoframe of the
HDMI infoframe. IIRC sending both isn't legal, and I think we might have
concluded that we might have to pass the AVI infoframe to the HDMI
infoframe construction function or vice versa to figure out which gets
sent.
>
> - 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
--
Ville Syrjälä
Intel OTC
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