[PATCH i-g-t 1/6] lib/igt_kms: Add highres() and lowres() func

Reddy Guddati, Santhosh santhosh.reddy.guddati at intel.com
Tue Jan 28 05:51:37 UTC 2025



On 27-01-2025 17:02, Reddy Guddati, Santhosh wrote:
> Hi Swati,
> 
> ------------------------------------------------------------------------
> *From:* Sharma, Swati2 <swati2.sharma at intel.com>
> *Sent:* Tuesday, December 31, 2024 12:33 AM
> *To:* igt-dev at lists.freedesktop.org <igt-dev at lists.freedesktop.org>
> *Cc:* Nautiyal, Ankit K <ankit.k.nautiyal at intel.com>; Reddy Guddati, 
> Santhosh <santhosh.reddy.guddati at intel.com>; Sharma, Swati2 
> <swati2.sharma at intel.com>
> *Subject:* [PATCH i-g-t 1/6] lib/igt_kms: Add highres() and lowres() func
> Functions returning highest and lowest mode are added to lib.
> Corresponding changes are done in relevant binaries.
> 
> LGTM
> Reviewed-by: Santhosh Reddy Guddati <santhosh.reddy.guddati at intel.com>
> Signed-off-by: Swati Sharma <swati2.sharma at intel.com>
> ---
>   lib/igt_kms.c             | 34 +++++++++++++++++
>   lib/igt_kms.h             |  2 +
>   tests/intel/kms_cdclk.c   | 77 +++++++++++++++++----------------------
>   tests/intel/kms_dsc.c     | 14 +------
>   tests/kms_display_modes.c | 14 +------
>   5 files changed, 72 insertions(+), 69 deletions(-)
> 
> diff --git a/lib/igt_kms.c b/lib/igt_kms.c
> index a67d17c4f..4f2a5ca0f 100644
> --- a/lib/igt_kms.c
> +++ b/lib/igt_kms.c
> @@ -4851,6 +4851,40 @@ drmModeModeInfo *igt_output_get_mode(igt_output_t 
> *output)
>                   return &output->config.default_mode;
>   }
> 
> +/**
> + * igt_output_get_highres_mode:
> + * @output: Target output
> + *
> + * Returns: A #drmModeModeInfo struct representing the highest mode
> + */
> +drmModeModeInfo *igt_output_get_highres_mode(igt_output_t *output)
> +{
> +       drmModeConnector *connector = output->config.connector;
> +       drmModeModeInfo *highest_mode = NULL;
> +
> +       igt_sort_connector_modes(connector, sort_drm_modes_by_res_dsc);
> +       highest_mode = &connector->modes[0];
> +
> +       return highest_mode;
> +}
> +
> +/**
> + * igt_output_get_lowres_mode:
> + * @output: Target output
> + *
> + * Returns: A #drmModeModeInfo struct representing the lowest mode
> + */
> +drmModeModeInfo *igt_output_get_lowres_mode(igt_output_t *output)
> +{
> +       drmModeConnector *connector = output->config.connector;
> +       drmModeModeInfo *lowest_mode = NULL;
> +
> +       igt_sort_connector_modes(connector, sort_drm_modes_by_res_asc);
> +       lowest_mode = &connector->modes[0];
> +
> +       return lowest_mode;
> +}
> +
>   /**
>    * igt_output_override_mode:
>    * @output: Output of which the mode will be overridden
> diff --git a/lib/igt_kms.h b/lib/igt_kms.h
> index 1e2a927ab..18c480ce5 100644
> --- a/lib/igt_kms.h
> +++ b/lib/igt_kms.h
> @@ -546,6 +546,8 @@ void 
> igt_display_require_output_on_pipe(igt_display_t *display, enum pipe pipe);
> 
>   const char *igt_output_name(igt_output_t *output);
>   drmModeModeInfo *igt_output_get_mode(igt_output_t *output);
> +drmModeModeInfo *igt_output_get_highres_mode(igt_output_t *output);
> +drmModeModeInfo *igt_output_get_lowres_mode(igt_output_t *output);
>   void igt_output_override_mode(igt_output_t *output, const 
> drmModeModeInfo *mode);
>   int igt_output_preferred_vrefresh(igt_output_t *output);
>   void igt_output_set_pipe(igt_output_t *output, enum pipe pipe);
> diff --git a/tests/intel/kms_cdclk.c b/tests/intel/kms_cdclk.c
> index 382b3e9d1..f1a019eb7 100644
> --- a/tests/intel/kms_cdclk.c
> +++ b/tests/intel/kms_cdclk.c
> @@ -110,24 +110,6 @@ static __u64 get_mode_data_rate(drmModeModeInfo *mode)
>           return data_rate;
>   }
> 
> -static drmModeModeInfo *get_highres_mode(igt_output_t *output)
> -{
> -       drmModeModeInfo *highest_mode = NULL;
> -       drmModeConnector *connector = output->config.connector;
> -       int j;
> -
> -       for (j = 0; j < connector->count_modes; j++) {
> -               if (connector->modes[j].vdisplay == VDISPLAY_4K &&
> -                   connector->modes[j].hdisplay == HDISPLAY_4K &&
> -                   connector->modes[j].vrefresh == VREFRESH) {
> -                       highest_mode = &connector->modes[j];
> -                       break;
> -               }
> -       }
> -
> -       return highest_mode;
> -}
> -
>   static drmModeModeInfo *get_lowres_mode(igt_output_t *output)
>   {
>           drmModeModeInfo *lowest_mode = NULL;
> @@ -172,7 +154,7 @@ static void test_plane_scaling(data_t *data, enum 
> pipe pipe, igt_output_t *outpu
>           int cdclk_ref, cdclk_new;
>           struct igt_fb fb;
>           igt_plane_t *primary;
> -       drmModeModeInfo *mode;
> +       drmModeModeInfo mode;
>           int scaling = 50;
>           int ret;
>           bool test_complete = false;
> @@ -182,14 +164,17 @@ static void test_plane_scaling(data_t *data, enum 
> pipe pipe, igt_output_t *outpu
>                   igt_display_reset(display);
> 
>                   igt_output_set_pipe(output, pipe);
> -               mode = get_highres_mode(output);
> -               igt_require(mode != NULL);
> -               igt_output_override_mode(output, mode);
> +               mode = *igt_output_get_highres_mode(output);
> +               igt_require_f(mode.hdisplay == HDISPLAY_4K && 
> mode.vdisplay == VDISPLAY_4K &&
> +                             mode.vrefresh == VREFRESH, "4K mode not 
> found on output %s.\n",
> +                             igt_output_name(output));
> +
> +               igt_output_override_mode(output, &mode);
> 
>                   primary = igt_output_get_plane_type(output, 
> DRM_PLANE_TYPE_PRIMARY);
> 
>                   igt_create_color_pattern_fb(display->drm_fd,
> -                                           mode->hdisplay, mode->vdisplay,
> +                                           mode.hdisplay, mode.vdisplay,
>                                               DRM_FORMAT_XRGB8888,
>                                               DRM_FORMAT_MOD_LINEAR,
>                                               0.0, 0.0, 0.0, &fb);
> @@ -225,18 +210,20 @@ static void test_mode_transition(data_t *data, 
> enum pipe pipe, igt_output_t *out
>           int cdclk_ref, cdclk_new;
>           struct igt_fb fb;
>           igt_plane_t *primary;
> -       drmModeModeInfo *mode_hi, *mode_lo, *mode;
> +       drmModeModeInfo mode_hi, mode_lo, *mode;
> 
>           do_cleanup_display(display);
>           igt_display_reset(display);
> 
>           igt_output_set_pipe(output, pipe);
>           mode = igt_output_get_mode(output);
> -       mode_lo = get_lowres_mode(output);
> -       mode_hi = get_highres_mode(output);
> -       igt_require(mode_hi != NULL);
> +       mode_lo = *get_lowres_mode(output);
> +       mode_hi = *igt_output_get_highres_mode(output);
> +       igt_require_f(mode_hi.hdisplay == HDISPLAY_4K && 
> mode_hi.vdisplay == VDISPLAY_4K &&
> +                     mode_hi.vrefresh == VREFRESH, "4K mode not found 
> on output %s.\n",
> +                     igt_output_name(output));
> 
> -       igt_skip_on_f(mode_hi->hdisplay == mode_lo->hdisplay && mode_hi- 
>  >vdisplay == mode_lo->vdisplay,
> +       igt_skip_on_f(mode_hi.hdisplay == mode_lo.hdisplay && 
> mode_hi.vdisplay == mode_lo.vdisplay,
>                         "Highest and lowest mode resolutions are same; 
> no transition\n");
> 
>           primary = igt_output_get_plane_type(output, 
> DRM_PLANE_TYPE_PRIMARY);
> @@ -248,13 +235,13 @@ static void test_mode_transition(data_t *data, 
> enum pipe pipe, igt_output_t *out
>                                       0.0, 0.0, 0.0, &fb);
> 
>           /* switch to lower resolution */
> -       igt_output_override_mode(output, mode_lo);
> +       igt_output_override_mode(output, &mode_lo);
>           igt_plane_set_fb(primary, &fb);
>           igt_display_commit_atomic(display, 
> DRM_MODE_ATOMIC_ALLOW_MODESET, NULL);
>           cdclk_ref = get_current_cdclk_freq(debugfs_fd);
> 
>           /* switch to higher resolution */
> -       igt_output_override_mode(output, mode_hi);
> +       igt_output_override_mode(output, &mode_hi);
>           igt_plane_set_fb(primary, &fb);
>           igt_display_commit_atomic(display, 
> DRM_MODE_ATOMIC_ALLOW_MODESET, NULL);
>           cdclk_new = get_current_cdclk_freq(debugfs_fd);
> @@ -273,7 +260,7 @@ static void 
> test_mode_transition_on_all_outputs(data_t *data)
>   {
>           igt_display_t *display = &data->display;
>           int debugfs_fd = data->debugfs_fd;
> -       drmModeModeInfo *mode, *mode_hi, *mode_lo;
> +       drmModeModeInfo *mode, mode_hi, mode_lo;
>           igt_output_t *output;
>           int valid_outputs = 0;
>           int cdclk_ref, cdclk_new;
> @@ -297,11 +284,13 @@ static void 
> test_mode_transition_on_all_outputs(data_t *data)
>                   width = max(width, mode->hdisplay);
>                   height = max(height, mode->vdisplay);
> 
> -               mode_hi = get_highres_mode(output);
> -               igt_require(mode_hi != NULL);
> +               mode_hi = *igt_output_get_highres_mode(output);
> +               igt_require_f(mode_hi.hdisplay == HDISPLAY_4K && 
> mode_hi.vdisplay == VDISPLAY_4K &&
> +                             mode_hi.vrefresh == VREFRESH, "4K mode not 
> found on output %s.\n",
> +                             igt_output_name(output));
> 
>                   igt_output_set_pipe(output, i);
> -               igt_output_override_mode(output, mode_hi);
> +               igt_output_override_mode(output, &mode_hi);
>                   i++;
>           }
>           igt_require(intel_pipe_output_combo_valid(display));
> @@ -320,12 +309,12 @@ static void 
> test_mode_transition_on_all_outputs(data_t *data)
>                   mode = igt_output_get_mode(output);
>                   igt_assert(mode);
> 
> -               mode_lo = get_lowres_mode(output);
> +               mode_lo = *get_lowres_mode(output);
> 
> -               igt_output_override_mode(output, mode_lo);
> +               igt_output_override_mode(output, &mode_lo);
>                   igt_plane_set_fb(plane, &fb);
> -               igt_fb_set_size(&fb, plane, mode_lo->hdisplay, mode_lo- 
>  >vdisplay);
> -               igt_plane_set_size(plane, mode_lo->hdisplay, mode_lo- 
>  >vdisplay);
> +               igt_fb_set_size(&fb, plane, mode_lo.hdisplay, 
> mode_lo.vdisplay);
> +               igt_plane_set_size(plane, mode_lo.hdisplay, 
> mode_lo.vdisplay);
>                   i++;
>           }
> 
> @@ -343,13 +332,15 @@ static void 
> test_mode_transition_on_all_outputs(data_t *data)
>                   mode = igt_output_get_mode(output);
>                   igt_assert(mode);
> 
> -               mode_hi = get_highres_mode(output);
> -               igt_require(mode_hi != NULL);
> +               mode_hi = *igt_output_get_highres_mode(output);
> +               igt_require_f(mode_hi.hdisplay == HDISPLAY_4K && 
> mode_hi.vdisplay == VDISPLAY_4K &&
> +                             mode_hi.vrefresh == VREFRESH, "4K mode not 
> found on output %s.\n",
> +                             igt_output_name(output));
> 
> -               igt_output_override_mode(output, mode_hi);
> +               igt_output_override_mode(output, &mode_hi);
>                   igt_plane_set_fb(plane, &fb);
> -               igt_fb_set_size(&fb, plane, mode_hi->hdisplay, mode_hi- 
>  >vdisplay);
> -               igt_plane_set_size(plane, mode_hi->hdisplay, mode_hi- 
>  >vdisplay);
> +               igt_fb_set_size(&fb, plane, mode_hi.hdisplay, 
> mode_hi.vdisplay);
> +               igt_plane_set_size(plane, mode_hi.hdisplay, 
> mode_hi.vdisplay);
>                   j++;
>           }
> 
> diff --git a/tests/intel/kms_dsc.c b/tests/intel/kms_dsc.c
> index 5508e7a9e..1392e1cd4 100644
> --- a/tests/intel/kms_dsc.c
> +++ b/tests/intel/kms_dsc.c
> @@ -94,18 +94,6 @@ static inline void manual(const char *expected)
>           igt_debug_interactive_mode_check("all", expected);
>   }
> 
> -static drmModeModeInfo *get_highres_mode(igt_output_t *output)
> -{
> -       drmModeConnector *connector = output->config.connector;
> -       drmModeModeInfo *highest_mode = NULL;
> -
> -       igt_sort_connector_modes(connector, sort_drm_modes_by_clk_dsc);
> -
> -       highest_mode = &connector->modes[0];
> -
> -       return highest_mode;
> -}
> -
>   static drmModeModeInfo *get_next_mode(igt_output_t *output, int index)
>   {
>           drmModeConnector *connector = output->config.connector;
> @@ -184,7 +172,7 @@ static void update_display(data_t *data, uint32_t 
> test_type)
>           igt_skip_on(!igt_plane_has_format_mod(primary, data->plane_format,
>                       DRM_FORMAT_MOD_LINEAR));
> 
> -       mode = get_highres_mode(output);
> +       mode = igt_output_get_highres_mode(output);
> 
>           do {
>                   if (data->output_format != DSC_FORMAT_RGB && index > 0)
> diff --git a/tests/kms_display_modes.c b/tests/kms_display_modes.c
> index e41c60cc0..6ea44944a 100644
> --- a/tests/kms_display_modes.c
> +++ b/tests/kms_display_modes.c
> @@ -60,18 +60,6 @@ typedef struct {
>           int n_pipes;
>   } data_t;
> 
> -/* Get higher mode supported by panel. */
> -static drmModeModeInfo *get_highres_mode(igt_output_t *output)
> -{
> -       drmModeConnector *connector = output->config.connector;
> -       drmModeModeInfo *highest_mode = NULL;
> -
> -       igt_sort_connector_modes(connector, sort_drm_modes_by_res_dsc);
> -       highest_mode = &connector->modes[0];
> -
> -       return highest_mode;
> -}
> -
>   /* Get the 4k or less then 4k mode of connected panel. */
>   static drmModeModeInfo *get_mode(igt_output_t *output)
>   {
> @@ -344,7 +332,7 @@ igt_main
>                   igt_require_f(dp_mst_outputs > 1, "MST not found more 
> then one\n");
> 
>                   memcpy(&data.mode_mst[0], 
> get_mode(data.mst_output[0]), sizeof(drmModeModeInfo));
> -               memcpy(&data.mode_mst[1], 
> get_highres_mode(data.mst_output[1]),
> +               memcpy(&data.mode_mst[1], 
> igt_output_get_highres_mode(data.mst_output[1]),
>                                   sizeof(drmModeModeInfo));
>                   igt_require_f((data.mode_mst[1].hdisplay >= HDISPLAY_4K &&
>                                  data.mode_mst[1].vdisplay >= 
> VDISPLAY_4K), "4k panel not found\n");
> --
> 2.25.1
> 



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