Re: [PATCH v5 0/3] MT8173 HDMI 4K support
From: CK Hu
Date: Mon Oct 17 2016 - 21:40:17 EST
On Thu, 2016-09-29 at 11:02 +0800, Bibby Hsieh wrote:
> This is MT8173 HDMI 4K support PATCH v5, based on 4.8-rc1.
> In order to support HDMI 4K on MT8173,
> we have to make some modifications.
> 1) Make sure that mtk_hdmi_send_infoframe is sent successfully.
> 2) Enhance the HDMI driving current to improve performance.
> 3) Make sure that pixel clock is 297MHz when resolution is 4K.
For this series,
Acked-by: CK Hu <ck.hu@xxxxxxxxxxxx>
> Changes since v4:
> - Update commit message and patch title.
> Changes since v3:
> - Rebase to 4.8-rc1.
> - The valid range of tvdpll is 1G to 2G Hz, so, we Change the
> if statement of mode->clock to fit that and add a comment.
> Changes since v2:
> - Remove the change about preparation for MT2701 support.
> Changes since v1:
> - According to the suggestion from philipp, We use the new
> dpi0_sel rate set method.
> - calls clk_set_rate to set the dpi0_sel according to the
> pixel clock.
> - Remove the direct access to all the intermediate clock part.
> - Remove the intermediate tvdpll_d* clocks in dts.
> - According to suggestion from CK, we rename the clock parse
> function and remove it from mtk_dpi_conf struct.
> - Merges the hdmi Pll set rate for pixel clock greater than
> 165MHz and smaller parts.
> The PATCH depends on the following patch:
> (arm64: dts: mt8173: add mmsel clocks for 4K support)
> Junzhi Zhao (3):
> drm/mediatek: do mtk_hdmi_send_infoframe after HDMI clock enable
> drm/mediatek: enhance the HDMI driving current
> drm/mediatek: modify the factor to make the pll_rate set in the 1G-2G
> drivers/gpu/drm/mediatek/mtk_dpi.c | 9 +++--
> drivers/gpu/drm/mediatek/mtk_hdmi.c | 17 ++++++----
> drivers/gpu/drm/mediatek/mtk_mt8173_hdmi_phy.c | 42 +++++++++++++++++-------
> 3 files changed, 48 insertions(+), 20 deletions(-)