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/*
* Copyright © 2016 Advanced Micro Devices, Inc.
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that copyright
* notice and this permission notice appear in supporting documentation, and
* that the name of the copyright holders not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. The copyright holders make no representations
* about the suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "xf86.h"
#include "xf86Crtc.h"
#include "xf86drm.h"
#include "dix.h"
#include "dixstruct.h"
#include "extnsionst.h"
#include "resource.h"
#include "scrnintstr.h"
#include "dixaccess.h"
#include "pixmap.h"
#include "amdgpu_drm.h"
#include "amdgpu_extension.h"
#include "amdgpu_drv.h"
static RESTYPE RT_AMDGPUCLIENT;
static int ProcAMDGPUFreesyncCapability(ClientPtr client)
{
REQUEST(xAMDGPUFreesyncCapabilityReq);
REQUEST_SIZE_MATCH(xAMDGPUFreesyncCapabilityReq);
if (stuff->screen >= screenInfo.numScreens) {
client->errorValue = stuff->screen;
return BadValue;
}
ScreenPtr pScreen = screenInfo.screens[stuff->screen];
ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
AMDGPUInfoPtr info = AMDGPUPTR(pScrn);
XID cliResId;
DrawablePtr pDrawable = NULL;
int ret = -1;
ret = dixLookupDrawable(&pDrawable, (Drawable)stuff->drawable,
client, 0, DixReadAccess);
// if (!ret) {
// xf86DrvMsg(0, X_INFO, "Freesync Capability: %d,%d,%u,%u vs. %d,%d,%u,%u\n",
// pDrawable->x, pDrawable->y, pDrawable->width, pDrawable->height,
// pDrawable->pScreen->x, pDrawable->pScreen->y,
// pDrawable->pScreen->width, pDrawable->pScreen->height);
// }
if (!ret &&
pDrawable->x == pDrawable->pScreen->x &&
pDrawable->y == pDrawable->pScreen->y &&
pDrawable->width == pDrawable->pScreen->width &&
pDrawable->height == pDrawable->pScreen->height) {
if (!info->freesync_client) {
info->freesync_client = client;
cliResId = FakeClientID(client->index);
if (AddResource(cliResId, RT_AMDGPUCLIENT, (void *)pScrn))
info->freesync_client_id = cliResId;
}
info->freesync_drawable = pDrawable;
}
return client->noClientException;
}
static int AMDGPUDispatch(ClientPtr client)
{
REQUEST(xReq);
if (screenInfo.numGPUScreens)
return client->noClientException;
switch(stuff->data) {
case X_AMDGPUFreesyncCapability:
return ProcAMDGPUFreesyncCapability(client);
default:
return BadRequest;
}
}
static int AMDGPUSwapDispatch(ClientPtr client __attribute__((unused)))
{
return BadRequest;
}
static void AMDGPUResetExtension(ExtensionEntry *extEntry __attribute__((unused)))
{
RT_AMDGPUCLIENT = RT_NONE;
}
static void AMDGPUExtensionInit (void)
{
ExtensionEntry *extEntry = NULL;
extEntry = AddExtension(AMDGPU_EXTENSION_NAME,
AMDGPU_EXTENSION_EVENTS,
AMDGPU_EXTENSION_ERRORS,
AMDGPUDispatch,
AMDGPUSwapDispatch,
AMDGPUResetExtension,
StandardMinorOpcode);
if (!extEntry) {
ErrorF("AddExtension failed\n");
return;
}
RT_AMDGPUCLIENT = CreateNewResourceType(AMDGPUClientGone, "AMDGPUClient");
}
static ExtensionModule AMDGPU_Ext = {
AMDGPUExtensionInit,
AMDGPU_EXTENSION_NAME,
NULL
};
void AMDGPUExtensionSetup(void)
{
#if XORG_VERSION_CURRENT < XORG_VERSION_NUMERIC(1,16,0,0,0)
LoadExtension(&AMDGPU_Ext, FALSE);
#else
int size = 1;
LoadExtensionList(&AMDGPU_Ext, size, FALSE);
#endif
}
int AMDGPUFreesyncControl(int fd, Bool enable_freesync)
{
int ret = -1;
struct drm_amdgpu_freesync args;
memset(&args, 0, sizeof(args));
if (enable_freesync) {
xf86DrvMsg(0, X_INFO, "Trying to enable freesync mode.\n");
args.op = AMDGPU_FREESYNC_FULLSCREEN_ENTER;
ret = drmCommandWriteRead(fd, DRM_AMDGPU_FREESYNC,
&args, sizeof(args));
if (ret)
ErrorF("Fail to enable freesync mode.\n");
} else {
xf86DrvMsg(0, X_INFO, "Trying to disable freesync mode.\n");
args.op = AMDGPU_FREESYNC_FULLSCREEN_EXIT;
ret = drmCommandWriteRead(fd, DRM_AMDGPU_FREESYNC,
&args, sizeof(args));
if (ret)
ErrorF("Fail to disable freesync mode.\n");
}
return ret;
}
void AMDGPUFreeResourceByType(ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
AMDGPUInfoPtr info = AMDGPUPTR(pScrn);
if (info->freesync_client_id)
FreeResourceByType(info->freesync_client_id,
RT_AMDGPUCLIENT, FALSE);
return;
}
int AMDGPUClientGone(void *data, XID id)
{
ScrnInfoPtr pScrn = (ScrnInfoPtr)data;
AMDGPUInfoPtr info = AMDGPUPTR(pScrn);
AMDGPUEntPtr pAMDGPUEnt = AMDGPUEntPriv(pScrn);
if (screenInfo.numGPUScreens)
return 1;
if (id == info->freesync_client_id) {
info->freesync_client_id = None;
info->freesync_client = NULL;
info->freesync_drawable = NULL;
}
if (info->freesync_enabled == TRUE) {
if (!AMDGPUFreesyncControl(pAMDGPUEnt->fd, FALSE))
info->freesync_enabled = FALSE;
}
info->allow_freesync = FALSE;
return 1;
}
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