Re: [PATCH 00/27] drm/rockchip: MIPI fixes & improvements

John Keeping
2016-09-19T17:24:30Z

D'oh, I got send-email horribly wrong here. Please ignore the n/27
patches following this message - the n/26 versions are correct.

I won't spam the list with a cleaned-up v2 immediately, but I'll make
extra sure to clean out my working directory when I do send the re-roll!

On Mon, 19 Sep 2016 18:17:10 +0100, John Keeping wrote:

> This is a bit of a mixed selection of patches to all areas of the
> Rockchip dw-mipi-dsi driver, which I've been using for a while.
>
> The first few patches fix the driver's use of the atomic API by removing
> hardware manipulation from the mode_set hook:
>
> drm/rockchip: dw-mipi-dsi: use mode from display state
> drm/rockchip: dw-mipi-dsi: pass new mode into MIPI mode set
> drm/rockchip: dw-mipi-dsi: don't configure hardware in mode_set for
> MIPI
> drm/rockchip: dw-mipi-dsi: rename commit hook to enable
>
> The following several patches fix various aspects of DSI host transfers
> in order to improve support for displays that need to be set up via DSI
> commands:
>
> drm/rockchip: dw-mipi-dsi: fix command header writes
> drm/rockchip: dw-mipi-dsi: fix generic packet status check
> drm/rockchip: dw-mipi-dsi: avoid out-of-bounds read on tx_buf
> drm/rockchip: dw-mipi-dsi: include bad value in error message
> drm/rockchip: dw-mipi-dsi: respect message flags
> drm/rockchip: dw-mipi-dsi: only request HS clock when required
> drm/rockchip: dw-mipi-dsi: don't assume buffer is aligned
> drm/rockchip: dw-mipi-dsi: prepare panel after phy init
> drm/rockchip: dw-mipi-dsi: allow commands in panel_disable
>
> Then a bunch of patches to improve the PHY PLL and other clock setup:
>
> drm/rockchip: dw-mipi-dsi: fix escape clock rate
> drm/rockchip: dw-mipi-dsi: ensure PHY is reset
> drm/rockchip: dw-mipi-dsi: configure bias and bandgap before enable
> drm/rockchip: dw-mipi-dsi: don't enable PHY PLL until it's configured
> drm/rockchip: dw-mipi-dsi: properly configure PHY timing
> drm/rockchip: dw-mipi-dsi: improve PLL configuration
>
> A couple of patches make the VOP and MIPI host consistent when panels do
> not set explicit hsync/vsync polarities:
>
> drm/rockchip: dw-mipi-dsi: use positive check for N{H,V}SYNC
> drm/rockchip: vop: test for P{H,V}SYNC
>
> The following patch fixes fbcon by making sure that the output
> resolution is known before it loads:
>
> drm/rockchip: dw-mipi-dsi: defer probe if panel is not loaded
>
> Then a patch that should be self-explanatory:
>
> drm/rockchip: dw-mipi-dsi: support non-burst modes
>
> And the final two patches were useful in development but aren't really
> needed once everything's working:
>
> drm/rockchip: dw-mipi-dsi: add reset control
> drm/rockchip: dw-mipi-dsi: support read commands
>
>
> John Keeping (26):
> drm/rockchip: dw-mipi-dsi: use mode from display state
> drm/rockchip: dw-mipi-dsi: pass new mode into MIPI mode set
> drm/rockchip: dw-mipi-dsi: don't configure hardware in mode_set for
> MIPI
> drm/rockchip: dw-mipi-dsi: rename commit hook to enable
> drm/rockchip: dw-mipi-dsi: fix command header writes
> drm/rockchip: dw-mipi-dsi: fix generic packet status check
> drm/rockchip: dw-mipi-dsi: avoid out-of-bounds read on tx_buf
> drm/rockchip: dw-mipi-dsi: include bad value in error message
> drm/rockchip: dw-mipi-dsi: respect message flags
> drm/rockchip: dw-mipi-dsi: only request HS clock when required
> drm/rockchip: dw-mipi-dsi: don't assume buffer is aligned
> drm/rockchip: dw-mipi-dsi: prepare panel after phy init
> drm/rockchip: dw-mipi-dsi: allow commands in panel_disable
> drm/rockchip: dw-mipi-dsi: fix escape clock rate
> drm/rockchip: dw-mipi-dsi: ensure PHY is reset
> drm/rockchip: dw-mipi-dsi: configure bias and bandgap before enable
> drm/rockchip: dw-mipi-dsi: don't enable PHY PLL until it's configured
> drm/rockchip: dw-mipi-dsi: properly configure PHY timing
> drm/rockchip: dw-mipi-dsi: improve PLL configuration
> drm/rockchip: dw-mipi-dsi: use specific poll helper
> drm/rockchip: dw-mipi-dsi: use positive check for N{H,V}SYNC
> drm/rockchip: vop: test for P{H,V}SYNC
> drm/rockchip: dw-mipi-dsi: defer probe if panel is not loaded
> drm/rockchip: dw-mipi-dsi: support non-burst modes
> drm/rockchip: dw-mipi-dsi: add reset control
> drm/rockchip: dw-mipi-dsi: support read commands
>
> drivers/gpu/drm/rockchip/dw-mipi-dsi.c | 325 ++++++++++++++++++++--------
> drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 4 +-
> 2 files changed, 234 insertions(+), 95 deletions(-)
>
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