On Mon, Jun 5, 2017 at 2:43 PM, Harry Wentland <harry.wentland@xxxxxxx> wrote:
> Create crtc/connector combinations based on actual adapter
> information obtained from drmModeRes.
>
> Also set MAX_CRTCs to 6 for AMD GPUs.
>
> Signed-off-by: Harry Wentland <harry.wentland@xxxxxxx>
The code is kind of hard to follow, but it looks good to me:
Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>
> ---
> tests/kms_setmode.c | 24 ++++++++++++++++++------
> 1 file changed, 18 insertions(+), 6 deletions(-)
>
> diff --git a/tests/kms_setmode.c b/tests/kms_setmode.c
> index 430568a1c24e..a7a48de44b0e 100644
> --- a/tests/kms_setmode.c
> +++ b/tests/kms_setmode.c
> @@ -31,15 +31,13 @@
> #include <unistd.h>
> #include <string.h>
> #include <sys/time.h>
> -
> +#include <math.h>
> #include "intel_bufmgr.h"
>
> #define MAX_CONNECTORS 10
> -#define MAX_CRTCS 3
> +#define MAX_CRTCS 6
>
> /* max combinations with repetitions */
> -#define MAX_COMBINATION_COUNT \
> - (MAX_CONNECTORS * MAX_CONNECTORS * MAX_CONNECTORS)
> #define MAX_COMBINATION_ELEMS MAX_CRTCS
>
> static int drm_fd;
> @@ -702,7 +700,8 @@ struct combination {
>
> struct combination_set {
> int count;
> - struct combination items[MAX_COMBINATION_COUNT];
> + int capacity;
> + struct combination *items;
> };
>
> /*
> @@ -716,7 +715,7 @@ static void iterate_combinations(int n, int k, bool allow_repetitions,
> int v;
>
> if (!k) {
> - igt_assert(set->count < ARRAY_SIZE(set->items));
> + igt_assert(set->count < set->capacity);
> set->items[set->count++] = *comb;
> return;
> }
> @@ -751,6 +750,16 @@ static void test_combinations(const struct test_config *tconf,
> if (connector_count > 2 && (tconf->flags & TEST_STEALING))
> return;
>
> + igt_assert(tconf->resources);
> +
> + connector_combs.capacity = pow(tconf->resources->count_connectors,
> + tconf->resources->count_crtcs + 1);
> + crtc_combs.capacity = pow(tconf->resources->count_crtcs,
> + tconf->resources->count_crtcs + 1);
> +
> + connector_combs.items = malloc(connector_combs.capacity * sizeof(struct combination));
> + crtc_combs.items = malloc(crtc_combs.capacity * sizeof(struct combination));
> +
> get_combinations(tconf->resources->count_connectors, connector_count,
> false, &connector_combs);
> get_combinations(tconf->resources->count_crtcs, connector_count,
> @@ -787,6 +796,9 @@ static void test_combinations(const struct test_config *tconf,
> free_cconfs:
> free(cconfs);
> }
> +
> + free(connector_combs.items);
> + free(crtc_combs.items);
> }
>
> static void run_test(const struct test_config *tconf)
> --
> 2.11.0
>
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