On 05/02/14 05:02, Ilia Mirkin wrote:
> Apparently some players are ill-prepared for us claiming that a decoder
> exists only to have creating it fail, and express this poor preparation
> with crashes (e.g. flash). Check that firmware is there to increase the
> chances of there being a high correlation between reported capabilities
> and ability to create a decoder.
>
Not the most elegant implementation, but it just works(tm). Tested on my
rusty nv96 (vp2).
Tested-by: Emil Velikov <emil.l.veli...@gmail.com>
> Signed-off-by: Ilia Mirkin <imir...@alum.mit.edu>
> Cc: 10.0 10.1 <mesa-sta...@lists.freedesktop.org>
> ---
>
> I tested this on a VP3 card. Would be nice if someone could give the (somewhat
> different) vp2 logic a shot. Emil perhaps? If no one confirms after a while
> I'll go swap cards in my computer.
>
> src/gallium/drivers/nouveau/nouveau_screen.h | 5 ++
> src/gallium/drivers/nouveau/nouveau_vp3_video.c | 54 +++++++++++++++++++-
> src/gallium/drivers/nouveau/nv50/nv84_video.c | 68
> ++++++++++++++++++++++++-
> 3 files changed, 123 insertions(+), 4 deletions(-)
>
> diff --git a/src/gallium/drivers/nouveau/nouveau_screen.h
> b/src/gallium/drivers/nouveau/nouveau_screen.h
> index 7f15d10..51e24fa 100644
> --- a/src/gallium/drivers/nouveau/nouveau_screen.h
> +++ b/src/gallium/drivers/nouveau/nouveau_screen.h
> @@ -49,6 +49,11 @@ struct nouveau_screen {
>
> boolean hint_buf_keep_sysmem_copy;
>
> + struct {
> + unsigned profiles_checked;
> + unsigned profiles_present;
> + } firmware_info;
> +
> #ifdef NOUVEAU_ENABLE_DRIVER_STATISTICS
> union {
> uint64_t v[29];
> diff --git a/src/gallium/drivers/nouveau/nouveau_vp3_video.c
> b/src/gallium/drivers/nouveau/nouveau_vp3_video.c
> index ff00b37..660a3d0 100644
> --- a/src/gallium/drivers/nouveau/nouveau_vp3_video.c
> +++ b/src/gallium/drivers/nouveau/nouveau_vp3_video.c
> @@ -21,6 +21,7 @@
> */
>
> #include <sys/mman.h>
> +#include <sys/stat.h>
> #include <stdio.h>
> #include <fcntl.h>
>
> @@ -350,6 +351,53 @@ nouveau_vp3_load_firmware(struct nouveau_vp3_decoder
> *dec,
> return 0;
> }
>
> +static int
> +firmware_present(struct pipe_screen *pscreen, enum pipe_video_profile
> profile)
> +{
> + struct nouveau_screen *screen = nouveau_screen(pscreen);
> + int chipset = screen->device->chipset;
> + int vp3 = chipset < 0xa3 || chipset == 0xaa || chipset == 0xac;
> + int vp5 = chipset >= 0xd0;
> + int ret;
> +
> + /* For all chipsets, try to create a BSP objects. Assume that if firmware
> + * is present for it, firmware is also present for VP/PPP */
> + if (!(screen->firmware_info.profiles_checked & 1)) {
> + struct nouveau_object *bsp = NULL;
> + int oclass;
> + if (chipset < 0xc0)
> + oclass = 0x85b1;
> + else if (vp5)
> + oclass = 0x95b1;
> + else
> + oclass = 0x90b1;
> + nouveau_object_new(screen->channel, 0, oclass, NULL, 0, &bsp);
> + if (bsp)
> + screen->firmware_info.profiles_present |= 1;
> + nouveau_object_del(&bsp);
> + screen->firmware_info.profiles_checked |= 1;
> + }
> +
> + if (!(screen->firmware_info.profiles_present & 1))
> + return 0;
> +
> + /* For vp3/vp4 chipsets, make sure that the relevant firmware is present
> */
> + if (!vp5 && !(screen->firmware_info.profiles_checked & (1 << profile))) {
> + char path[PATH_MAX];
> + struct stat s;
> + if (vp3)
> + vp3_getpath(profile, path);
> + else
> + vp4_getpath(profile, path);
> + ret = stat(path, &s);
> + if (!ret && s.st_size > 1000)
> + screen->firmware_info.profiles_present |= (1 << profile);
> + screen->firmware_info.profiles_checked |= (1 << profile);
> + }
> +
> + return vp5 || (screen->firmware_info.profiles_present & (1 << profile));
> +}
> +
> int
> nouveau_vp3_screen_get_video_param(struct pipe_screen *pscreen,
> enum pipe_video_profile profile,
> @@ -363,8 +411,10 @@ nouveau_vp3_screen_get_video_param(struct pipe_screen
> *pscreen,
> switch (param) {
> case PIPE_VIDEO_CAP_SUPPORTED:
> /* VP3 does not support MPEG4, VP4+ do. */
> - return profile >= PIPE_VIDEO_PROFILE_MPEG1 && (
> - !vp3 || codec != PIPE_VIDEO_FORMAT_MPEG4);
> + return entrypoint == PIPE_VIDEO_ENTRYPOINT_BITSTREAM &&
> + profile >= PIPE_VIDEO_PROFILE_MPEG1 &&
> + (!vp3 || codec != PIPE_VIDEO_FORMAT_MPEG4) &&
> + firmware_present(pscreen, profile);
> case PIPE_VIDEO_CAP_NPOT_TEXTURES:
> return 1;
> case PIPE_VIDEO_CAP_MAX_WIDTH:
> diff --git a/src/gallium/drivers/nouveau/nv50/nv84_video.c
> b/src/gallium/drivers/nouveau/nv50/nv84_video.c
> index 3fee6d9..a39f572 100644
> --- a/src/gallium/drivers/nouveau/nv50/nv84_video.c
> +++ b/src/gallium/drivers/nouveau/nv50/nv84_video.c
> @@ -741,16 +741,80 @@ error:
> return NULL;
> }
>
> +#define FIRMWARE_BSP_KERN 0x01
> +#define FIRMWARE_VP_KERN 0x02
> +#define FIRMWARE_BSP_H264 0x04
> +#define FIRMWARE_VP_MPEG2 0x08
> +#define FIRMWARE_VP_H264_1 0x10
> +#define FIRMWARE_VP_H264_2 0x20
> +#define FIRMWARE_PRESENT(val, fw) (val & FIRMWARE_ ## fw)
> +
> +static int
> +firmware_present(struct pipe_screen *pscreen, enum pipe_video_format codec)
> +{
> + struct nouveau_screen *screen = nouveau_screen(pscreen);
> + struct nouveau_object *obj = NULL;
> + struct stat s;
> + int checked = screen->firmware_info.profiles_checked;
> + int present, ret;
> +
> + if (!FIRMWARE_PRESENT(checked, VP_KERN)) {
> + nouveau_object_new(screen->channel, 0, 0x7476, NULL, 0, &obj);
> + if (obj)
> + screen->firmware_info.profiles_present |= FIRMWARE_VP_KERN;
> + nouveau_object_del(&obj);
> + screen->firmware_info.profiles_checked |= FIRMWARE_VP_KERN;
> + }
> +
> + if (codec == PIPE_VIDEO_FORMAT_MPEG4_AVC) {
> + if (!FIRMWARE_PRESENT(checked, BSP_KERN)) {
> + nouveau_object_new(screen->channel, 0, 0x74b0, NULL, 0, &obj);
> + if (obj)
> + screen->firmware_info.profiles_present |= FIRMWARE_BSP_KERN;
> + nouveau_object_del(&obj);
> + screen->firmware_info.profiles_checked |= FIRMWARE_BSP_KERN;
> + }
> +
> + if (!FIRMWARE_PRESENT(checked, VP_H264_1)) {
> + ret = stat("/lib/firmware/nouveau/nv84_vp-h264-1", &s);
> + if (!ret && s.st_size > 1000)
> + screen->firmware_info.profiles_present |= FIRMWARE_VP_H264_1;
> + screen->firmware_info.profiles_checked |= FIRMWARE_VP_H264_1;
> + }
> +
> + /* should probably check the others, but assume that 1 means all */
> +
> + present = screen->firmware_info.profiles_present;
> + return FIRMWARE_PRESENT(present, VP_KERN) &&
> + FIRMWARE_PRESENT(present, BSP_KERN) &&
> + FIRMWARE_PRESENT(present, VP_H264_1);
> + } else {
> + if (!FIRMWARE_PRESENT(checked, VP_MPEG2)) {
> + ret = stat("/lib/firmware/nouveau/nv84_vp-mpeg12", &s);
> + if (!ret && s.st_size > 1000)
> + screen->firmware_info.profiles_present |= FIRMWARE_VP_MPEG2;
> + screen->firmware_info.profiles_checked |= FIRMWARE_VP_MPEG2;
> + }
> + present = screen->firmware_info.profiles_present;
> + return FIRMWARE_PRESENT(present, VP_KERN) &&
> + FIRMWARE_PRESENT(present, VP_MPEG2);
> + }
> +}
> +
> int
> nv84_screen_get_video_param(struct pipe_screen *pscreen,
> enum pipe_video_profile profile,
> enum pipe_video_entrypoint entrypoint,
> enum pipe_video_cap param)
> {
> + enum pipe_video_format codec;
> +
> switch (param) {
> case PIPE_VIDEO_CAP_SUPPORTED:
> - return u_reduce_video_profile(profile) == PIPE_VIDEO_FORMAT_MPEG4_AVC
> ||
> - u_reduce_video_profile(profile) == PIPE_VIDEO_FORMAT_MPEG12;
> + codec = u_reduce_video_profile(profile);
> + return (codec == PIPE_VIDEO_FORMAT_MPEG4_AVC ||
> + codec == PIPE_VIDEO_FORMAT_MPEG12) &&
> + firmware_present(pscreen, codec);
> case PIPE_VIDEO_CAP_NPOT_TEXTURES:
> return 1;
> case PIPE_VIDEO_CAP_MAX_WIDTH:
>
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