[Intel-gfx] [PATCH 1/2] drm/dp: Add PHY_TEST_PATTERN CP2520 Pattern 2 and 3

[Manasi Navare]

On Mon, Jul 20, 2020 at 04:41:25PM -0700, Khaled Almahallawy wrote:
> Add the missing CP2520 pattern 2 and 3 phy compliance patterns
> 
> Signed-off-by: Khaled Almahallawy <khaled.almahallawy at intel.com>
> ---
>  drivers/gpu/drm/drm_dp_helper.c | 2 +-
>  include/drm/drm_dp_helper.h     | 4 +++-
>  2 files changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c
> index a3c82e726057..d0fb78c6aca6 100644
> --- a/drivers/gpu/drm/drm_dp_helper.c
> +++ b/drivers/gpu/drm/drm_dp_helper.c
> @@ -1583,7 +1583,7 @@ int drm_dp_get_phy_test_pattern(struct drm_dp_aux *aux,
>  			return err;
>  
>  		break;
> -	case DP_PHY_TEST_PATTERN_CP2520:
> +	case DP_PHY_TEST_PATTERN_CP2520_PAT1:
>  		err = drm_dp_dpcd_read(aux, DP_TEST_HBR2_SCRAMBLER_RESET,
>  				       &data->hbr2_reset,
>  				       sizeof(data->hbr2_reset));

Where do we read PAT2 and PAT3, I see you defined those newly and patch 2/2 has them
in teh switch case but the drm_dp_get_phy_test_pattern function doesnt read them?

Manasi

> diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
> index e47dc22ebf50..65dd6cd71f1e 100644
> --- a/include/drm/drm_dp_helper.h
> +++ b/include/drm/drm_dp_helper.h
> @@ -708,7 +708,9 @@
>  # define DP_PHY_TEST_PATTERN_ERROR_COUNT    0x2
>  # define DP_PHY_TEST_PATTERN_PRBS7          0x3
>  # define DP_PHY_TEST_PATTERN_80BIT_CUSTOM   0x4
> -# define DP_PHY_TEST_PATTERN_CP2520         0x5
> +# define DP_PHY_TEST_PATTERN_CP2520_PAT1	0x5
> +# define DP_PHY_TEST_PATTERN_CP2520_PAT2	0x6
> +# define DP_PHY_TEST_PATTERN_CP2520_PAT3	0x7
>  
>  #define DP_TEST_HBR2_SCRAMBLER_RESET        0x24A
>  #define DP_TEST_80BIT_CUSTOM_PATTERN_7_0    0x250
> -- 
> 2.17.1
>