W dniu 04.02.2021 o 13:34, Nicolas Boichat pisze:
> On Thu, Feb 4, 2021 at 8:07 PM Robert Foss <robert.f...@linaro.org> wrote:
>> Hi Xin,
>>
>> Thanks for the patch.
>>
>> On Thu, 28 Jan 2021 at 12:17, Xin Ji <x...@analogixsemi.com> wrote:
>>> Enable DSI EOTP feature for fixing some panel screen constance
>>> shift issue.
>>> Removing MIPI flag MIPI_DSI_MODE_EOT_PACKET to enable DSI EOTP.
>> I don't think I quite understand how removing the
>> MIPI_DSI_MODE_EOT_PACKET flag will cause DSI EOTP to be enabled. Could
>> you extrapolate on this in the commit message?
> That confused me as well, but it turns out that's how the flag is defined:
> ```
> /* disable EoT packets in HS mode */
> #define MIPI_DSI_MODE_EOT_PACKET BIT(9)
> ```
> (https://protect2.fireeye.com/v1/url?k=5bd95ebd-044267fb-5bd8d5f2-0cc47a3003e8-ce9db8ea264d6901&q=1&e=900556dc-d199-4c18-9432-5c3465a98eae&u=https%3A%2F%2Felixir.bootlin.com%2Flinux%2Flatest%2Fsource%2Finclude%2Fdrm%2Fdrm_mipi_dsi.h%23L129)
>
> I'm almost tempted to put together a mass patch to rename all of these
> flags...
Yes that would be good, many of these flags were just copy pasted from
some hw datasheet, without good analysis how to adapt them to the framework.
Regards
Andrzej
>
>>> Signed-off-by: Xin Ji <x...@analogixsemi.com>
>>> ---
>>> drivers/gpu/drm/bridge/analogix/anx7625.c | 1 -
>>> 1 file changed, 1 deletion(-)
>>>
>>> diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c
>>> b/drivers/gpu/drm/bridge/analogix/anx7625.c
>>> index 65cc059..e31eeb1b 100644
>>> --- a/drivers/gpu/drm/bridge/analogix/anx7625.c
>>> +++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
>>> @@ -1334,7 +1334,6 @@ static int anx7625_attach_dsi(struct anx7625_data
>>> *ctx)
>>> dsi->format = MIPI_DSI_FMT_RGB888;
>>> dsi->mode_flags = MIPI_DSI_MODE_VIDEO |
>>> MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
>>> - MIPI_DSI_MODE_EOT_PACKET |
>>> MIPI_DSI_MODE_VIDEO_HSE;
>>>
>>> if (mipi_dsi_attach(dsi) < 0) {
>>> --
>>> 2.7.4
>>>
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